> ## Documentation Index
> Fetch the complete documentation index at: https://docs.kinetica.com/llms.txt
> Use this file to discover all available pages before exploring further.

# ANSI Virtual Catalog

<a id="sql-vc-ansi" />

## Overview

The *ANSI Virtual Catalog* tables represent *Kinetica's* implementation of the
Schemata section of the ISO/IEC 9075 (SQL:2003) database specification.  This
section defines the metadata tables that exist under the `INFORMATION_SCHEMA`
schema.  These tables contain information about the database's objects,
relationships, & permissions.

Most of the metadata tables are implemented as logical views of the
[Kinetica Virtual Catalog](/content/catalogs#sql-vc) tables, while some are logical
views of other *ANSI Virtual Catalog* logical views.  As such, they will be
updated automatically to reflect changes in the database structure and
processing state.

The information returned when querying the *virtual catalogs* is automatically
filtered by the permissions of the querying user.  For instance, regular users
will only see the tables & views to which they have access when querying a
*virtual catalog* table that lists all of the tables in the database, while
system administrators will see all tables & views.

## Catalog View List

The *ANSI Virtual Catalog* tables reside in the `information_schema` schema.

| Virtual Catalog Table                                                         | Description                                                                                                                      |
| ----------------------------------------------------------------------------- | -------------------------------------------------------------------------------------------------------------------------------- |
| [APPLICABLE\_ROLES](#applicable-roles)                                        | Roles.  One record per role assigned to the current user, directly or indirectly.                                                |
| [CHARACTER\_SETS](#character-sets)                                            | Contains a single record with the supported character set, UTF-8.                                                                |
| [COLUMNS](#columns)                                                           | Columns of tables & views and their respective types & statistics.                                                               |
| [CONSTRAINT\_COLUMN\_USAGE](#constraint-column-usage)                         | Columns with constraints and their containing schemas.                                                                           |
| [CONTEXT\_RULES](#context-rules)                                              | Rules sections of SQL-GPT contexts.                                                                                              |
| [CONTEXT\_SAMPLES](#context-samples)                                          | Samples sections of SQL-GPT contexts.                                                                                            |
| [CONTEXT\_TABLE\_COLUMNS](#context-table-columns)                             | Columns of tables associated with SQL-GPT contexts.                                                                              |
| [CONTEXT\_TABLES](#context-tables)                                            | Tables associated with SQL-GPT contexts.                                                                                         |
| [CONTEXTS](#contexts)                                                         | SQL-GPT contexts and their configuration.                                                                                        |
| [DATABASES](#databases)                                                       | Contains a single record with the database name and owner.                                                                       |
| [ENABLED\_ROLES](#enabled-roles)                                              | Roles assigned to the current user, directly or indirectly.                                                                      |
| [FIELDS](#fields)                                                             | Columns of tables & views and their respective types & statistics, also containing the object type of the containing table/view. |
| [FUNCTIONS](#functions)                                                       | Scalar, aggregate, window, and user-defined functions.                                                                           |
| [INDEXES](#indexes)                                                           | Table indexes and their configuration.                                                                                           |
| [INFORMATION\_SCHEMA\_CATALOG\_NAME](#information-schema-catalog-name)        | Contains a single record with the catalog name, `kinetica`.                                                                      |
| [KEY\_COLUMN\_USAGE](#key-column-usage)                                       | Primary & foreign keys and their associated columns.                                                                             |
| [KI\_BACKUP\_HISTORY](#ki-backup-history)                                     | Data backup events initiated on the database.                                                                                    |
| [KI\_CATALOG\_VERSION](#ki-catalog-version)                                   | Contains a single record with the virtual catalog schema version.                                                                |
| [KI\_DATASOURCE\_SUBSCRIPTIONS](#ki-datasource-subscriptions)                 | Remote data subscriptions, associating data sources with their target load tables.                                               |
| [KI\_HA\_CONSUMERS](#ki-ha-consumers)                                         | Consumer processes of Kafka HA queues.                                                                                           |
| [KI\_KAFKA\_LAG\_INFO](#ki-kafka-lag-info)                                    | Remote Kafka subscriptions, and the index of both the most recently read & available messages per topic partition.               |
| [KI\_LOAD\_HISTORY](#ki-load-history)                                         | Record & statistics of each data load or export, subscription event, and data refresh.                                           |
| [KI\_PERIODIC\_OBJECTS](#ki-periodic-objects)                                 | List of materialized views and SQL procedures that have periodic refresh/execution intervals, with their respective statistics.  |
| [KI\_QUERY\_ACTIVE](#ki-query-active)                                         | Actively running SQL statements, including DML & DDL.                                                                            |
| [KI\_QUERY\_HISTORY](#ki-query-history)                                       | History of SQL statements run within the database, including DML & DDL; will not include multi-head ingest/egress.               |
| [KI\_QUERY\_SPAN\_METRICS](#ki-query-span-metrics)                            | Processing metrics of SQL statements run within the database, including DML & DDL; will not include multi-head ingest/egress.    |
| [KI\_QUERY\_SPAN\_METRICS\_BY\_SQL\_STEP](#ki-query-span-metrics-by-sql-step) | Processing metrics of SQL statements run within the database, aggregated on each execution phase of a given query/command.       |
| [KI\_QUERY\_WORKERS](#ki-query-workers)                                       | Worker ranks' status and their actively running tasks.                                                                           |
| [KI\_RESTORE\_HISTORY](#ki-restore-history)                                   | Data restoration events initiated on the database.                                                                               |
| [KI\_STREAMS](#ki-streams)                                                    | Streams (table monitors), their containing schemas, and configuration.                                                           |
| [MV\_DEPENDENCIES](#mv-dependencies)                                          | Object dependencies for materialized views.                                                                                      |
| [OBJECT\_PRIVILEGES](#object-privileges)                                      | Privileges granted, including the grantee, privilege type, and object to which access was granted.                               |
| [PARTITIONS](#partitions)                                                     | Table partitions and their respective types & statistics.                                                                        |
| [REFERENTIAL\_CONSTRAINTS](#referential-constraints)                          | Foreign keys and their referenced unique constraints.                                                                            |
| [ROLE\_TABLE\_GRANTS](#role-table-grants)                                     | Effectively, an alias for the TABLE\_PRIVILEGES table.                                                                           |
| [SCHEMATA](#schemata)                                                         | Schemas, containing all database objects.                                                                                        |
| [TABLE\_CONSTRAINTS](#table-constraints)                                      | Primary & foreign keys and their respective types & statistics.                                                                  |
| [TABLE\_PRIVILEGES](#table-privileges)                                        | Privileges granted on tables & views.                                                                                            |
| [TABLES](#tables)                                                             | Tables & views and their respective types & statistics.                                                                          |
| [VIEWS](#views)                                                               | Views and their respective definitions & statistics.                                                                             |

## Catalog Column List

### APPLICABLE\_ROLES

Each record in `APPLICABLE_ROLES` represents a user or role.

| Column Name    | Column Type    | Description                    |
| -------------- | -------------- | ------------------------------ |
| `ROLE_NAME`    | `VARCHAR(256)` | Name of this user or role.     |
| `GRANTEE`      | `VARCHAR`      | Not used.                      |
| `ROLE_OWNER`   | `VARCHAR(8)`   | Always `admin`.                |
| `IS_GRANTABLE` | `BOOLEAN`      | Whether this is a role or not. |

### CHARACTER\_SETS

Each record in `CHARACTER_SETS` represents an available character set.
*Kinetica* supports the UTF-8 character set only.

| Column Name               | Column Type  | Description        |
| ------------------------- | ------------ | ------------------ |
| `CHARACTER_SET_CATALOG`   | `VARCHAR`    | Not used.          |
| `CHARACTER_SET_SCHEMA`    | `VARCHAR`    | Not used.          |
| `CHARACTER_SET_NAME`      | `VARCHAR(4)` | Always `UTF8`.     |
| `CHARACTER_REPERTOIRE`    | `VARCHAR(4)` | Always `UCS`.      |
| `FORM_OF_USE`             | `VARCHAR(4)` | Always `UTF8`.     |
| `DEFAULT_COLLATE_CATALOG` | `VARCHAR(8)` | Always `KINETICA`. |
| `DEFAULT_COLLATE_SCHEMA`  | `VARCHAR`    | Not used.          |
| `DEFAULT_COLLATE_NAME`    | `VARCHAR`    | Not used.          |

### COLUMNS

Each record in `COLUMNS` represents a single column in a table or view for
all tables & views in the database, including those in virtual catalog tables.

| Column Name                | Column Type    | Description                                                                                                                           |
| -------------------------- | -------------- | ------------------------------------------------------------------------------------------------------------------------------------- |
| `TABLE_CATALOG`            | `VARCHAR(8)`   | Always `kinetica`.                                                                                                                    |
| `TABLE_SCHEMA`             | `VARCHAR(256)` | Name of the schema containing this column's table.                                                                                    |
| `TABLE_NAME`               | `VARCHAR(256)` | Name of the table containing this column.                                                                                             |
| `COLUMN_NAME`              | `VARCHAR(256)` | Name of this column.                                                                                                                  |
| `ORDINAL_POSITION`         | `INTEGER`      | Position of this column in its table, using a 0-based index.                                                                          |
| `COLUMN_DEFAULT`           | `VARCHAR(256)` | The default value expression applied to this column.  See [Data Replacement](/content/concepts/types#types-data-replace) for options. |
| `IS_NULLABLE`              | `BOOLEAN`      | Whether this column can be set to [null](/content/concepts/nulls).                                                                    |
| `DATA_TYPE`                | `VARCHAR(256)` | Name of the SQL data type.                                                                                                            |
| `CHARACTER_MAXIMUM_LENGTH` | `INTEGER`      | Size, in bytes, of this data type; `-1` indicates variable length.                                                                    |
| `CHARACTER_OCTET_LENGTH`   | `INTEGER`      | Always `0`.                                                                                                                           |
| `NUMERIC_PRECISION`        | `INTEGER`      | Precision of fixed-precision data types.                                                                                              |
| `NUMERIC_PRECISION_RADIX`  | `INTEGER`      | Always `0`.                                                                                                                           |
| `NUMERIC_SCALE`            | `INTEGER`      | Scale of fixed-scale data types.                                                                                                      |
| `DATETIME_PRECISION`       | `INTEGER`      | Precision of fixed-precision data types.                                                                                              |
| `INTERVAL_TYPE`            | `VARCHAR(4)`   | Not used.                                                                                                                             |
| `INTERVAL_PRECISION`       | `INTEGER`      | Precision of fixed-precision data types.                                                                                              |
| `CHARACTER_SET_CATALOG`    | `VARCHAR`      | Not used.                                                                                                                             |
| `CHARACTER_SET_SCHEMA`     | `VARCHAR`      | Not used.                                                                                                                             |
| `CHARACTER_SET_NAME`       | `VARCHAR`      | Not used.                                                                                                                             |
| `COLLATION_CATALOG`        | `VARCHAR`      | Not used.                                                                                                                             |
| `COLLATION_SCHEMA`         | `VARCHAR`      | Not used.                                                                                                                             |
| `COLLATION_NAME`           | `VARCHAR`      | Not used.                                                                                                                             |
| `DOMAIN_CATALOG`           | `VARCHAR`      | Not used.                                                                                                                             |
| `DOMAIN_SCHEMA`            | `VARCHAR`      | Not used.                                                                                                                             |
| `DOMAIN_NAME`              | `VARCHAR`      | Not used.                                                                                                                             |
| `UDT_CATALOG`              | `VARCHAR`      | Not used.                                                                                                                             |
| `UDT_SCHEMA`               | `VARCHAR`      | Not used.                                                                                                                             |
| `UDT_NAME`                 | `VARCHAR(256)` | Name of the data type.                                                                                                                |
| `SCOPE_CATALOG`            | `VARCHAR`      | Not used.                                                                                                                             |
| `SCOPE_SCHEMA`             | `VARCHAR`      | Not used.                                                                                                                             |
| `SCOPE_NAME`               | `VARCHAR`      | Not used.                                                                                                                             |
| `MAXIMUM_CARDINALITY`      | `INTEGER`      | Always `0`.                                                                                                                           |
| `DTD_IDENTIFIER`           | `VARCHAR`      | Not used.                                                                                                                             |
| `IS_SELF_REFERENCING`      | `VARCHAR`      | Not used.                                                                                                                             |
| `IS_IDENTITY`              | `BOOLEAN`      | Always `FALSE`.                                                                                                                       |
| `IDENTITY_GENERATION`      | `BOOLEAN`      | Always `FALSE`.                                                                                                                       |
| `IDENTITY_START`           | `VARCHAR`      | Not used.                                                                                                                             |
| `IDENTITY_INCREMENT`       | `VARCHAR`      | Not used.                                                                                                                             |
| `IDENTITY_MAXIMUM`         | `VARCHAR`      | Not used.                                                                                                                             |
| `IDENTITY_MINIMUM`         | `VARCHAR`      | Not used.                                                                                                                             |
| `IDENTITY_CYCLE`           | `VARCHAR`      | Not used.                                                                                                                             |
| `COMMENT`                  | `VARCHAR`      | User comment associated with this column.                                                                                             |

### CONSTRAINT\_COLUMN\_USAGE

Each record in `CONSTRAINT_COLUMN_USAGE` represents a constrained
*primary key* column from either a [primary key](/content/concepts/tables#primary-key) or
[foreign key](/content/concepts/tables#foreign-key) relationship.  For example, a table
with a single *primary key* column will have one record in this table, while a
*composite foreign key* linking two columns of one table to two columns of
another will have two records in this table--one for each of the columns on the
target side of the relation.  Effectively, *primary keys* will be listed once
for themselves, and then once for each instance of their participation in a
*foreign key* relationship.

For *foreign keys*, the table/column information in `CONSTRAINT_COLUMN_USAGE`
refers to the target side of the relation (the foreign table referenced by the
key), whereas the table/column information in `KEY_COLUMN_USAGE` refers
to the source side of the relation (where the key is defined).

| Column Name          | Column Type    | Description                                                                                                                                                                          |
| -------------------- | -------------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ |
| `CONSTRAINT_CATALOG` | `VARCHAR(8)`   | Always `kinetica`.                                                                                                                                                                   |
| `CONSTRAINT_SCHEMA`  | `VARCHAR(256)` | For *primary keys*, the name of the schema containing this constrained table; for *foreign keys*, the name of the schema containing the foreign table referenced by this constraint. |
| `CONSTRAINT_NAME`    | `VARCHAR(256)` | Name of this constraint.                                                                                                                                                             |
| `TABLE_CATALOG`      | `VARCHAR(8)`   | Always `kinetica`.                                                                                                                                                                   |
| `TABLE_SCHEMA`       | `VARCHAR(256)` | For *primary keys*, the name of the schema containing this constrained table; for *foreign keys*, the name of the schema containing the foreign table referenced by this constraint. |
| `TABLE_NAME`         | `VARCHAR(256)` | For *primary keys*, the name of the table containing this constrained column; for *foreign keys*, the name of the foreign table referenced by this constraint.                       |
| `CONSTRAINT_TYPE`    | `VARCHAR(16)`  | Type of constraint; one of: <br /> <br /> \* `PRIMARY KEY` <br /> \* `FOREIGN KEY`                                                                                                   |
| `COLUMN_NAME`        | `VARCHAR(256)` | For *primary keys*, the name of this constrained column; for foreign keys, the name of this constrained column in the foreign table referenced by this constraint.                   |

### CONTEXT\_RULES

Each record in `CONTEXT_RULES` represents a rule that applies within a
[SQL-GPT context](/content/sql-gpt/concepts#sql-gpt-overview-context).  For instance, a
*context* with two globally-applicable *context rules* and three table-specific
*context rules* will have five entries in this table.

| Column Name    | Column Type    | Description                                                                                                                                                                                                                                                                                                                                                                                                                                                                          |
| -------------- | -------------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ |
| `TABLE_OBJ_ID` | `VARCHAR(256)` | Composited identifier for the group this *context rule* is in.  A *SQL-GPT context* will have one unique ID for the group of globally-applicable rules and an individual unique ID for each group of table-specific rules.  This ID and `RULE_INDEX` identify a unique record in this table.                                                                                                                                                                                         |
| `CONTEXT_NAME` | `VARCHAR(256)` | Fully-qualified name of the *SQL-GPT context* containing this *context rule*.                                                                                                                                                                                                                                                                                                                                                                                                        |
| `TABLE_NAME`   | `VARCHAR(256)` | Name of this *SQL-GPT context rule* object, denoting the type of *context rule* it is. <br /> <br /> ========================== ========================================= Name                       Description ========================== ========================================= `rules`                  Globally-applicable rule definition *\<schema\_name.table\_name>* Table-specific rule definition ========================== ========================================= |
| `RULE_INDEX`   | `INTEGER`      | 0-based index of this *context rule* within its rule group.                                                                                                                                                                                                                                                                                                                                                                                                                          |
| `RULE`         | `VARCHAR`      | The *context rule* for the corresponding table, if `TABLE_NAME` is a table reference; or a global rule associated with the overall *context*, if `TABLE_NAME` is `rules`.                                                                                                                                                                                                                                                                                                            |

### CONTEXT\_SAMPLES

Each record in `CONTEXT_SAMPLES` represents a question-to-query mapping that
applies within a [SQL-GPT context](/content/sql-gpt/concepts#sql-gpt-overview-context).  For
instance, a *context* with two *context samples* will have two entries in this
table.

| Column Name    | Column Type    | Description                                                                                |
| -------------- | -------------- | ------------------------------------------------------------------------------------------ |
| `OBJ_ID`       | `VARCHAR(256)` | Composited unique identifier for this *context sample*.                                    |
| `CONTEXT_NAME` | `VARCHAR(256)` | Fully-qualified name of the *SQL-GPT context* containing this *context sample*.            |
| `SAMPLE_INDEX` | `INTEGER`      | 0-based index of this *context sample* within the *SQL-GPT context*.                       |
| `QUESTION`     | `VARCHAR`      | The natural language question to associate with the corresponding SQL query in `SQL_TEXT`. |
| `SQL_TEXT`     | `VARCHAR`      | The SQL query that answers the natural language question posed in `QUESTION`.              |

### CONTEXT\_TABLE\_COLUMNS

Each record in `CONTEXT_TABLE_COLUMNS` represents a column in a table
associated with a [SQL-GPT context](/content/sql-gpt/concepts#sql-gpt-overview-context)
*table definition* and both the [column comment](/content/sql/ddl#sql-comment) from
the table's schema and the *context comment* from the
*context table definition*, if present.  Each of the table's columns will have
its own record, regardless of whether the column has an associated comment in
the corresponding *table definition* or not.  For instance, a *context*
containing a *table definition* with three column comments for a table with five
columns will have five records in this catalog table, three of which will be
listed with their associated *context comments*.

| Column Name       | Column Type    | Description                                                                                                                                                                                                                                    |
| ----------------- | -------------- | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| `TABLE_OBJ_ID`    | `VARCHAR(256)` | Composited identifier for the *context table* this column is in.  A *SQL-GPT context* will have one unique ID for each table defined within it.  This ID and either `COLUMN_NAME` or `COLUMN_POSITION` identify a unique record in this table. |
| `CONTEXT_NAME`    | `VARCHAR(256)` | Fully-qualified name of the *SQL-GPT context* containing the *table definition* associated with the table containing this column.                                                                                                              |
| `TABLE_NAME`      | `VARCHAR(256)` | Name of the table containing this column.                                                                                                                                                                                                      |
| `COLUMN_NAME`     | `VARCHAR(256)` | Name of this column.                                                                                                                                                                                                                           |
| `COLUMN_POSITION` | `INTEGER`      | 0-based index of this column within its containing table.                                                                                                                                                                                      |
| `COLUMN_TYPE`     | `VARCHAR(32)`  | SQL data type of this column.                                                                                                                                                                                                                  |
| `COMMENT`         | `VARCHAR`      | The table schema comment for this column, if present.                                                                                                                                                                                          |
| `CONTEXT_COMMENT` | `VARCHAR`      | The *context comment* for this column, if present.                                                                                                                                                                                             |

### CONTEXT\_TABLES

Each record in `CONTEXT_TABLES` represents a table referenced within a
[SQL-GPT context](/content/sql-gpt/concepts#sql-gpt-overview-context) *table definition*.
For instance, a *context* referencing two tables will have two entries in this
table.

| Column Name       | Column Type    | Description                                                                                                                                                                                       |
| ----------------- | -------------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| `TABLE_OBJ_ID`    | `VARCHAR(256)` | Composited identifier for this table, referenced in the associated *context table definition*.  A *SQL-GPT context* will have one unique ID for each table referenced in its *table definitions*. |
| `CONTEXT_NAME`    | `VARCHAR(256)` | Fully-qualified name of the *SQL-GPT context* referencing this table in one of its *table definitions*.                                                                                           |
| `TABLE_NAME`      | `VARCHAR(256)` | Name of this table, referenced in the associated *context table definition*.                                                                                                                      |
| `CONTEXT_COMMENT` | `VARCHAR`      | The *context comment* for this table, if present.                                                                                                                                                 |
| `COMMENT`         | `VARCHAR`      | The table schema comment for this table, if present.                                                                                                                                              |

### CONTEXTS

Each record in `CONTEXTS` represents a top-level object within a
[SQL-GPT context](/content/sql-gpt/concepts#sql-gpt-overview-context).  Objects can be one
of the following:

* **Table Definition** - Rules, samples & comments that apply to the use of the
  given table specifically
* **Rules Definition** - Rules that apply globally when using the context
* **Samples Definition** - Samples that apply globally when using the context

| Column Name          | Column Type    | Description                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         |
| -------------------- | -------------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| `OID`                | `BIGINT`       | Unique identifier associated with this [SQL-GPT context](/content/sql-gpt/concepts#sql-gpt-overview-context) object.                                                                                                                                                                                                                                                                                                                                                                                                |
| `CONTEXT_NAME`       | `VARCHAR(256)` | Name of the *SQL-GPT context* containing this context object.                                                                                                                                                                                                                                                                                                                                                                                                                                                       |
| `SCHEMA_OID`         | `BIGINT`       | Unique identifier associated with the schema containing the parent *SQL-GPT context*.  See [SCHEMATA](#schemata).                                                                                                                                                                                                                                                                                                                                                                                                   |
| `SCHEMA_NAME`        | `VARCHAR(256)` | Name of the schema containing the parent *SQL-GPT context*.                                                                                                                                                                                                                                                                                                                                                                                                                                                         |
| `OBJECT_NAME`        | `VARCHAR(256)` | Name of this *SQL-GPT context* object, denoting the type of context object it is. <br /> <br /> ========================== ========================================= Name                       Description ========================== ========================================= `rules`                  Rules Definition `samples`                Samples Definition *\<schema\_name.table\_name>* Table Definition for the given table name ========================== ========================================= |
| `OBJECT_DESCRIPTION` | `VARCHAR`      | The `COMMENT` associated with the table, if context object is a *table definition*.                                                                                                                                                                                                                                                                                                                                                                                                                                 |
| `OBJECT_RULES`       | `VARCHAR[]`    | The `RULES` associated with the table, if context object is a *table definition*; or the global rules associated with the overall context, if a *rules definition*.                                                                                                                                                                                                                                                                                                                                                 |
| `OBJECT_COMMENTS`    | `JSON`         | The `COMMENTS` associated with the table, if context object is a *table definition*--essentially, the column definitions for the table.                                                                                                                                                                                                                                                                                                                                                                             |
| `OBJECT_SAMPLES`     | `JSON`         | The `SAMPLES` associated with the table, if context object is a *table definition*; or the global samples associated with the overall context, if a *samples definition*.                                                                                                                                                                                                                                                                                                                                           |
| `IS_TEMP_CONTEXT`    | `BOOLEAN`      | Whether this context is temporary and will be removed when either its time-to-live expires or the database is restarted, whichever comes first.                                                                                                                                                                                                                                                                                                                                                                     |
| `TTL`                | `INTEGER`      | Time-to-live, in seconds, for this context; if this context is not used for the associated TTL time span, it will be automatically removed.                                                                                                                                                                                                                                                                                                                                                                         |

### DATABASES

`DATABASES` contains a single record with the database name and owner.

| Column Name      | Column Type  | Description     |
| ---------------- | ------------ | --------------- |
| `DATABASE_NAME`  | `VARCHAR(4)` | Always `root`.  |
| `DATABASE_OWNER` | `VARCHAR(8)` | Always `admin`. |
| `IS_TRANSIENT`   | `BOOLEAN`    | Always `FALSE`. |
| `COMMENT`        | `VARCHAR`    | Not used.       |
| `CREATED`        | `BIGINT`     | Not used.       |
| `LAST_ALTERED`   | `BIGINT`     | Not used.       |

### ENABLED\_ROLES

Each record in `ENABLED_ROLES` represents either a
[user](/content/security/sec_concepts#security-concepts-users) or
[role](/content/security/sec_concepts#security-concepts-roles) name.

| Column Name  | Column Type    | Description                |
| ------------ | -------------- | -------------------------- |
| `ROLE_NAME`  | `VARCHAR(256)` | Name of this user or role. |
| `ROLE_OWNER` | `VARCHAR(8)`   | Always `admin`.            |

### FIELDS

Each record in `FIELDS` represents a single column in a table or view for
all tables & views in the database, including those in virtual catalog tables.

| Column Name                | Column Type    | Description                                                                                                                                |
| -------------------------- | -------------- | ------------------------------------------------------------------------------------------------------------------------------------------ |
| `OBJECT_CATALOG`           | `VARCHAR(8)`   | Always `kinetica`.                                                                                                                         |
| `OBJECT_SCHEMA`            | `VARCHAR(256)` | Name of the schema containing this column's table.                                                                                         |
| `OBJECT_NAME`              | `VARCHAR(256)` | Name of the table containing this column.                                                                                                  |
| `OBJECT_TYPE`              | `VARCHAR(8)`   | Type of object containing this column; one of: <br /> <br /> \* `TABLE` *(local or external)* <br /> \* `VIEW` *(logical or materialized)* |
| `ROW_IDENTIFIER`           | `BIGINT`       | Not used.                                                                                                                                  |
| `FIELD_NAME`               | `VARCHAR(256)` | Name of this column.                                                                                                                       |
| `ORDINAL_POSITION`         | `INTEGER`      | Position of this column in its table, using a 0-based index.                                                                               |
| `IS_NULLABLE`              | `BOOLEAN`      | Whether this column can be set to [null](/content/concepts/nulls).                                                                         |
| `DATA_TYPE`                | `VARCHAR(256)` | Name of the SQL data type.                                                                                                                 |
| `CHARACTER_MAXIMUM_LENGTH` | `INTEGER`      | Size, in bytes, of this data type; `-1` indicates variable length.                                                                         |
| `CHARACTER_OCTET_LENGTH`   | `INTEGER`      | Always `0`.                                                                                                                                |
| `CHARACTER_SET_CATALOG`    | `VARCHAR`      | Not used.                                                                                                                                  |
| `CHARACTER_SET_SCHEMA`     | `VARCHAR`      | Not used.                                                                                                                                  |
| `CHARACTER_SET_NAME`       | `VARCHAR`      | Not used.                                                                                                                                  |
| `COLLATION_CATALOG`        | `VARCHAR`      | Not used.                                                                                                                                  |
| `COLLATION_SCHEMA`         | `VARCHAR`      | Not used.                                                                                                                                  |
| `COLLATION_NAME`           | `VARCHAR`      | Not used.                                                                                                                                  |
| `NUMERIC_PRECISION`        | `INTEGER`      | Precision of fixed-precision data types.                                                                                                   |
| `NUMERIC_PRECISION_RADIX`  | `INTEGER`      | Always `0`.                                                                                                                                |
| `NUMERIC_SCALE`            | `INTEGER`      | Scale of fixed-scale data types.                                                                                                           |
| `DATETIME_PRECISION`       | `INTEGER`      | Precision of fixed-precision data types.                                                                                                   |
| `INTERVAL_TYPE`            | `VARCHAR(4)`   | Not used.                                                                                                                                  |
| `INTERVAL_PRECISION`       | `INTEGER`      | Precision of fixed-precision data types.                                                                                                   |
| `DOMAIN_DEFAULT`           | `VARCHAR`      | Not used.                                                                                                                                  |
| `UDT_CATALOG`              | `VARCHAR`      | Not used.                                                                                                                                  |
| `UDT_SCHEMA`               | `VARCHAR`      | Not used.                                                                                                                                  |
| `UDT_NAME`                 | `VARCHAR`      | Not used.                                                                                                                                  |
| `SCOPE_CATALOG`            | `VARCHAR`      | Not used.                                                                                                                                  |
| `SCOPE_SCHEMA`             | `VARCHAR`      | Not used.                                                                                                                                  |
| `SCOPE_NAME`               | `VARCHAR`      | Not used.                                                                                                                                  |
| `MAXIMUM_CARDINALITY`      | `INTEGER`      | Not used.                                                                                                                                  |
| `DTD_IDENTIFIER`           | `INTEGER`      | Not used.                                                                                                                                  |

### FUNCTIONS

Each record in `FUNCTIONS` represents a native
[scalar](/content/concepts/expressions#expression-functions) or
[aggregate](/content/concepts/expressions#aggregate-expressions-label)
function, a [UDF/UDTF](/content/sql/udf), or a
[SQL procedure](/content/sql/procedure).

| Column Name                | Column Type    | Description                                                                                                                                                                                           |
| -------------------------- | -------------- | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| `FUNCTION_CATALOG`         | `VARCHAR(8)`   | Always `kinetica`.                                                                                                                                                                                    |
| `FUNCTION_SCHEMA`          | `VARCHAR(256)` | Name of the schema containing this function.  Native functions and UDFs are located in the `pg_catalog` schema, while SQL procedures are located in the schema specified by the user during creation. |
| `FUNCTION_NAME`            | `VARCHAR(256)` | Name of this function.                                                                                                                                                                                |
| `FUNCTION_OWNER`           | `VARCHAR(256)` | Not used.                                                                                                                                                                                             |
| `ARGUMENT_SIGNATURE`       | `VARCHAR[]`    | Names of the data types of this function's parameters.  See [ki\_datatypes](/content/catalogs/kinetica#ki-datatypes).                                                                                 |
| `DATA_TYPE`                | `VARCHAR(256)` | Name of the return type of this function.  See [ki\_datatypes](/content/catalogs/kinetica#ki-datatypes).                                                                                              |
| `CHARACTER_MAXIMUM_LENGTH` | `INTEGER`      | Size, in bytes, of this function's return data type; `-1` indicates variable length.                                                                                                                  |
| `CHARACTER_OCTET_LENGTH`   | `INTEGER`      | Always `0`.                                                                                                                                                                                           |
| `NUMERIC_PRECISION`        | `INTEGER`      | Precision of this function's return data type, if fixed-precision.                                                                                                                                    |
| `NUMERIC_PRECISION_RADIX`  | `INTEGER`      | Always `0`.                                                                                                                                                                                           |
| `NUMERIC_SCALE`            | `INTEGER`      | Scale of this function's return data type, if fixed-scale.                                                                                                                                            |
| `FUNCTION_LANGUAGE`        | `VARCHAR(256)` | Language in which this SQL procedure was written (for SQL procedures; always `SQL`).                                                                                                                  |
| `FUNCTION_DEFINITION`      | `VARCHAR(256)` | Not used.                                                                                                                                                                                             |
| `VOLATILITY`               | `BOOLEAN`      | Always `FALSE`.                                                                                                                                                                                       |
| `IS_NULL_CALL`             | `VARCHAR`      | Not used.                                                                                                                                                                                             |
| `CREATED`                  | `TIMESTAMP`    | Timestamp of function creation.                                                                                                                                                                       |
| `LAST_ALTERED`             | `TIMESTAMP`    | Timestamp of the most recent function update (initially, time of creation).                                                                                                                           |
| `COMMENT`                  | `VARCHAR`      | Not used.                                                                                                                                                                                             |

### INDEXES

Each record in `INDEXES` represents a single index of a table with
[indexed columns](/content/concepts/indexes).

| Column Name     | Column Type    | Description                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   |
| --------------- | -------------- | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| `TABLE_SCHEMA`  | `VARCHAR(256)` | Name of the schema containing this index's table.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             |
| `TABLE_NAME`    | `VARCHAR(256)` | Name of this index's table.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   |
| `INDEX_TYPE`    | `VARCHAR(32)`  | Type of index: <br /> <br /> ========================== ==================================================== Type                       Description ========================== ==================================================== `cagra`                  [CAGRA index](/content/concepts/indexes#cagra-index) `chunk_skip`             [Chunk skip index](/content/concepts/indexes#chunk-skip-index) `column`                 [Column index](/content/concepts/indexes#column-index) `geospatial`             [Geospatial index](/content/concepts/indexes#geospatial-index) `hnsw`                   [HNSW index](/content/concepts/indexes#hnsw-index) ========================== ==================================================== |
| `INDEX_COLUMNS` | `VARCHAR`      | Names of columns used in this index.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          |

### INFORMATION\_SCHEMA\_CATALOG\_NAME

`INFORMATION_SCHEMA_CATALOG_NAME` contains a single record with the database
catalog name.

| Column Name    | Column Type  | Description        |
| -------------- | ------------ | ------------------ |
| `CATALOG_NAME` | `VARCHAR(8)` | Always `kinetica`. |

### KEY\_COLUMN\_USAGE

Each record in `KEY_COLUMN_USAGE` represents a key column from either a
[primary key](/content/concepts/tables#primary-key) or
[foreign key](/content/concepts/tables#foreign-key) relationship.  For example, a table
with a single *primary key* column will have one record in this table, while a
*composite foreign key* linking two columns of one table to two columns of
another will have two records in this table--one for each of the columns on the
source side of the relation.

For *foreign keys*, the table/column information in `KEY_COLUMN_USAGE` refers
to the source side of the relation (where the key is defined), whereas the
table/column information in `CONSTRAINT_COLUMN_USAGE` refers to the target
side of the relation (the foreign table referenced by the key).

| Column Name          | Column Type    | Description                                                                                                                                                                                                                                                                                                                                             |
| -------------------- | -------------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| `CONSTRAINT_CATALOG` | `VARCHAR(8)`   | Always `kinetica`.                                                                                                                                                                                                                                                                                                                                      |
| `CONSTRAINT_SCHEMA`  | `VARCHAR(256)` | For *primary keys*, the name of the schema containing this constrained table; for *foreign keys*, the name of the schema containing the table on the source side of this constraint.                                                                                                                                                                    |
| `CONSTRAINT_NAME`    | `VARCHAR(256)` | Name of this constraint.                                                                                                                                                                                                                                                                                                                                |
| `TABLE_CATALOG`      | `VARCHAR(8)`   | Always `kinetica`.                                                                                                                                                                                                                                                                                                                                      |
| `TABLE_SCHEMA`       | `VARCHAR(256)` | For *primary keys*, the name of the schema containing this constrained table; for *foreign keys*, the name of the schema containing the table on the source side of this constraint.                                                                                                                                                                    |
| `TABLE_NAME`         | `VARCHAR(256)` | For *primary keys*, the name of the table containing this constrained column; for *foreign keys*, the name of the table on the source side of this constraint.                                                                                                                                                                                          |
| `COLUMN_NAME`        | `VARCHAR(256)` | For *primary keys*, the name of this constrained column; for foreign keys, the name of this constrained column in the table on the source side of this constraint.                                                                                                                                                                                      |
| `ORDINAL_POSITION`   | `INTEGER`      | 0-based index of the position of this key column among all columns in the constrained table. For *primary key* constraints, this will be the index of this column among all columns in the constrained table; for *foreign key* constraints, this will be the index of this column among all columns in the table on the source side of the constraint. |

### KI\_BACKUP\_HISTORY

Each record in `KI_BACKUP_HISTORY` represents a single backup event.  It will
include all types of backups and also include the
[data sink](/content/sql/ddl#sql-create-data-sink) through which the backup was
created.

| Column Name       | Column Type    | Description                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  |
| ----------------- | -------------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ |
| `QUERY_ID`        | `UUID`         | Unique identifier of the back up command issued.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             |
| `BACKUP_NAME`     | `VARCHAR(256)` | User-assigned name for the backup.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           |
| `BACKUP_ID`       | `BIGINT`       | Unique identifier of the backup.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             |
| `DATASINK_SCHEMA` | `VARCHAR(256)` | Schema containing the data sink used in this back up.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        |
| `DATASINK_NAME`   | `VARCHAR(256)` | Name of data sink used in this back up.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      |
| `OBJECTS`         | `VARCHAR`      | Names of the backed up objects.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              |
| `USER_NAME`       | `VARCHAR(256)` | Name of the user who initiated the back up.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  |
| `JOB_ID`          | `BIGINT`       | Unique identifier of the system job responsible for the back up.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             |
| `BACKUP_KIND`     | `VARCHAR(64)`  | Type of backup this is. <br /> <br /> ========================== ==================================================== Type                       Description ========================== ==================================================== `full`                   Backup of all data, system-wide. `differential`           Backup of all new or modified data since the last full back up. `incremental`            Backup of all new or modified data since the last back up of any type. ========================== ====================================================                              |
| `STATUS`          | `VARCHAR(32)`  | Current status of the back up processing. <br /> <br /> ========================== ==================================================== Status                     Description ========================== ==================================================== `backup_complete`        Back up complete. `backup_in_progress`     Back up in progress. `backup_failed`          Back up failed. `unknown`                Back up in unknown state. `validated`              Back up request validated, but not started yet. ========================== ==================================================== |
| `START_TIME`      | `TIMESTAMP`    | Timestamp of back up processing start.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       |
| `END_TIME`        | `TIMESTAMP`    | Timestamp of back up processing stop.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        |
| `NUM_RECORDS`     | `BIGINT`       | Number of table records backed up.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           |
| `NUM_FILES`       | `BIGINT`       | Number of column data backup files processed.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                |
| `NUM_BYTES`       | `BIGINT`       | Number of bytes of column data backed up.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    |
| `EVENT_MESSAGE`   | `VARCHAR`      | Error message text if back up process failed.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                |
| `ADDITIONAL_INFO` | `VARCHAR`      | Additional information about this back up process, including warnings encountered during processing that were not severe enough to halt the process.                                                                                                                                                                                                                                                                                                                                                                                                                                                         |

### KI\_CATALOG\_VERSION

`KI_CATALOG_VERSION` contains a single record with the database version.

| Column Name       | Column Type | Description                            |
| ----------------- | ----------- | -------------------------------------- |
| `CATALOG_VERSION` | `INTEGER`   | Version of the virtual catalog schema. |

### KI\_DATASOURCE\_SUBSCRIPTIONS

Each record in `KI_DATASOURCE_SUBSCRIPTIONS` represents a subscription a
single target table has through a single
[data source](/content/sql/ddl#sql-create-data-source).

| Column Name         | Column Type    | Description                                                                                                           |
| ------------------- | -------------- | --------------------------------------------------------------------------------------------------------------------- |
| `SCHEMA_NAME`       | `VARCHAR(256)` | Name of the schema containing the target table.                                                                       |
| `OBJECT_NAME`       | `VARCHAR(256)` | Name of the target table subscribed through the *data source*.                                                        |
| `DATASOURCE_SCHEMA` | `VARCHAR(256)` | Name of the schema containing the *data source*.                                                                      |
| `DATASOURCE_NAME`   | `VARCHAR(256)` | Name of the *data source* subscribed through by the table.                                                            |
| `DATASOURCE_KIND`   | `VARCHAR(16)`  | Type of the *data source*; see [CREATE DATA SOURCE](/content/sql/ddl#sql-create-data-source) for supported providers. |
| `STATUS`            | `VARCHAR(16)`  | Current status of the subscription through the *data source*.                                                         |
| `JOBID`             | `BIGINT`       | System job ID associated with the *data source*.                                                                      |
| `INFO`              | `VARCHAR`      | JSON block of details about the *data source*.                                                                        |

### KI\_HA\_CONSUMERS

Each record in `KI_HA_CONSUMERS` represents a process that consumes messages
from the Kafka HA queues.

| Column Name        | Column Type    | Description                                                                        |
| ------------------ | -------------- | ---------------------------------------------------------------------------------- |
| `QUEUE_NAME`       | `VARCHAR(256)` | Unique name associated with the Kafka HA queue used by this consumer.              |
| `QUEUE_SIZE`       | `BIGINT`       | Number of messages in the Kafka HA queue waiting to be consumed.                   |
| `LAST_RECV_TIME`   | `TIMESTAMP`    | Time of the most recently consumed message from the Kafka HA queue.                |
| `LAST_RECV_JOB_ID` | `BIGINT`       | Job ID associated with the most recently consumed message from the Kafka HA queue. |
| `SOURCE_RANK`      | `INTEGER`      | Rank on which this HA consumer resides.                                            |

### KI\_KAFKA\_LAG\_INFO

Each record in `KI_KAFKA_LAG_INFO` represents a partition of a subscription a
single target table has through a single Kafka
[data source](/content/sql/ddl#sql-create-data-source) and the indexes of the most
recently read message and most recently available messages on that partition.

| Column Name             | Column Type    | Description                                                          |
| ----------------------- | -------------- | -------------------------------------------------------------------- |
| `SCHEMA_NAME`           | `VARCHAR(256)` | Name of the schema containing the target table.                      |
| `TABLE_NAME`            | `VARCHAR(256)` | Name of the target table subscribed through the *data source*.       |
| `DATASOURCE_SCHEMA`     | `VARCHAR(256)` | Name of the schema containing the *data source*.                     |
| `DATASOURCE_NAME`       | `VARCHAR(256)` | Name of the Kafka *data source* subscribed through by the table.     |
| `PARTITION_ID`          | `INTEGER`      | ID of this Kafka partition, from which messages are being read.      |
| `HIGHEST_OFFSET`        | `BIGINT`       | Index of the most recently available message on the Kafka partition. |
| `LAST_COMMITTED_OFFSET` | `BIGINT`       | Index of the most recently read message from the Kafka partition.    |

### KI\_LOAD\_HISTORY

Each record in `KI_LOAD_HISTORY` represents a process that was invoked during
either an import into or export from the database.  Multiple processes may be
invoked for a single data processing task.

| Column Name         | Column Type    | Description                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           |
| ------------------- | -------------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| `TABLE_SCHEMA`      | `VARCHAR(256)` | Name of the schema containing the table involved in the data transfer operation.                                                                                                                                                                                                                                                                                                                                                                                                                                                      |
| `TABLE_NAME`        | `VARCHAR(256)` | Name of the table involved in the data transfer operation.                                                                                                                                                                                                                                                                                                                                                                                                                                                                            |
| `DATASOURCE_SCHEMA` | `VARCHAR(256)` | Name of the schema containing the *data source* or *data sink* referenced in `DATASOURCE_NAME`.                                                                                                                                                                                                                                                                                                                                                                                                                                       |
| `DATASOURCE_NAME`   | `VARCHAR(256)` | Name of the [data source](/content/sql/ddl#sql-create-data-source) or [data sink](/content/sql/ddl#sql-create-data-sink) used for this data transfer (for those that make use of either).                                                                                                                                                                                                                                                                                                                                             |
| `USER_NAME`         | `VARCHAR(256)` | Name of the user who initiated the data transfer.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     |
| `JOB_ID`            | `BIGINT`       | Unique identifier of the system job responsible for the data transfer.                                                                                                                                                                                                                                                                                                                                                                                                                                                                |
| `START_TIME`        | `TIMESTAMP`    | Timestamp of data transfer process start.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             |
| `END_TIME`          | `TIMESTAMP`    | Timestamp of data transfer process end.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               |
| `ROWS_PROCESSED`    | `BIGINT`       | Number of records processed for this import/export.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   |
| `ROWS_INSERTED`     | `BIGINT`       | Number of records processed for this data transfer, totalling those that were either successfully imported into *Kinetica* or exported into a remote database (for imports of any kind and exports to tables).                                                                                                                                                                                                                                                                                                                        |
| `ROWS_SKIPPED`      | `BIGINT`       | Number of records processed for this import, totalling those that were skipped due to errors in the data (for imports).                                                                                                                                                                                                                                                                                                                                                                                                               |
| `EVENT_MESSAGE`     | `VARCHAR`      | System messages relevant to the load process, including: <br /> <br /> \* error message relating to skipped records or other, if applicable (for imports) <br /> \* `Cancelled`, denoting a data load process was terminated <br /> \* `pause`, denoting a data load subscription was stopped temporarily <br /> \* `resume`, denoting a data load subscription was resumed after being paused <br /> \* `subscribe`, denoting subscription-based data loads <br /> \* `unsubscribe`, denoting a data load subscription was cancelled |
| `NUM_ERROR`         | `BIGINT`       | Number of errors encountered during processing.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       |
| `FILE_NAME`         | `VARCHAR(64)`  | Name of data file transferred, if any.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                |
| `FILE_LINE_NUM`     | `BIGINT`       | Not used.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             |

### KI\_PERIODIC\_OBJECTS

Each record in `KI_PERIODIC_OBJECTS` represents a single materialized view or SQL procedure
in the database with a periodic refresh/execution interval.

| Column Name          | Column Type    | Description                                               |
| -------------------- | -------------- | --------------------------------------------------------- |
| `OBJECT_NAME`        | `VARCHAR(256)` | Name of this object.                                      |
| `SCHEMA_NAME`        | `VARCHAR(256)` | Name of the schema containing this object.                |
| `LAST_REFRESH_TIME`  | `TIMESTAMP`    | Timestamp of last attempted refresh.                      |
| `LAST_REFRESH_ERROR` | `VARCHAR(128)` | Text of error message from the last refresh, if any.      |
| `NEXT_REFRESH_TIME`  | `TIMESTAMP`    | Timestamp of next scheduled data refresh.                 |
| `REFRESH_STOP_TIME`  | `TIMESTAMP`    | Timestamp when refreshes are scheduled to stop happening. |

### KI\_QUERY\_ACTIVE

Each record in `KI_QUERY_ACTIVE` represents the portion of a given query
or REST endpoint call being run on a given worker rank at the time this catalog
table was queried.  It returns general information about the query portion
running on the given worker rank.  See [KI\_QUERY\_WORKERS](#ki-query-workers) for worker-specific
details.

<Info>
  This table will show one record per rank involved in multi-head
  requests; and will show one record, assessed at rank1, for
  non-multi-head requests.
</Info>

| Column Name        | Column Type   | Description                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               |
| ------------------ | ------------- | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| `JOB_ID`           | `BIGINT`      | Unique identifier of the system job responsible for the query.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            |
| `QUERY_ID`         | `UUID`        | Unique identifier of the query being run.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 |
| `USER_NAME`        | `VARCHAR(64)` | Name of the user who initiated the query.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 |
| `RESOURCE_GROUP`   | `VARCHAR(64)` | Name of resource group governing this query's resource management.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        |
| `SOURCE_IP`        | `VARCHAR(64)` | IP address of user who initiated the query.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               |
| `ENDPOINT`         | `VARCHAR(64)` | REST endpoint called to initiate the request (for SQL-based requests).                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    |
| `EXECUTION_STATUS` | `VARCHAR(32)` | Status of the query processing. <br /> <br /> ========================== ==================================================== Status                     Description ========================== ==================================================== `none`                   Job not yet queued for processing. `async job done`         Asynchronous job completed successfully. `cancelled`              Job cancelled. `cancelling`             Job in the process of being cancelled. `dispatched`             Job sent to worker ranks for processing. `done at TOM`            Portion of job completed on worker rank. `done`                   Job completed successfully. `error`                  Job completed with errors. `initialized`            Persistent job (e.g., PostgreSQL wireline connection) established. `local cleanup`          Job artifacts being removed before completion. `running`                Job being processed on worker ranks. ========================== ==================================================== |
| `ERROR_MESSAGE`    | `VARCHAR`     | Error message associated with failed query.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               |
| `START_TIME`       | `TIMESTAMP`   | Timestamp of query processing start.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      |
| `QUERY_TEXT`       | `VARCHAR`     | SQL command issued (for SQL-based requests).                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              |
| `USER_DATA`        | `VARCHAR`     | Supplemental information about the request.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               |
| `SQL_STEP_COUNT`   | `INTEGER`     | Step number in processing this SQL command (for SQL-based requests).                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      |
| `REFRESH_ID`       | `BIGINT`      | Unique identifier of the materialized view refresh being performed (for materialized view refreshes).                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     |
| `IS_MH`            | `BOOLEAN`     | Whether the job is a multi-head ingest request.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           |
| `IS_PERPETUAL`     | `BOOLEAN`     | Whether the job has no fixed end time (e.g., Kafka streaming data feed). <br /> <br /> ===== =================================================== Code  Description ===== =================================================== false Job has a deterministic end time (fixed-size load). true  Job has no deterministic end time (Kafka feed). ===== ===================================================                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    |
| `IS_CANCELLABLE`   | `BOOLEAN`     | Whether the job can be cancelled by a user.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               |
| `IS_USING_TIMEOUT` | `BOOLEAN`     | Whether the job can time out or not.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      |
| `SOURCE_RANK`      | `INTEGER`     | Number of the rank associated with this job.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              |

### KI\_QUERY\_HISTORY

Each record in `KI_QUERY_HISTORY` represents a single query or REST endpoint
call made to the database.  It will include all SQL queries, but not direct
calls to DML-related endpoints, like:

* [/delete/records](/content/api/rest/delete_records_rest)
* [/insert/records](/content/api/rest/insert_records_rest)
* [/insert/records/fromfiles](/content/api/rest/insert_records_fromfiles_rest)
* [/insert/records/frompayload](/content/api/rest/insert_records_frompayload_rest)
* [/insert/records/fromquery](/content/api/rest/insert_records_fromquery_rest)
* [/insert/records/json](/content/api/rest/insert_records_json_rest)
* [/insert/records/random](/content/api/rest/insert_records_random_rest)
* [/update/records](/content/api/rest/update_records_rest)

<Info>
  This table will only show queries run by the user making the request,
  or all queries if the user has system administrator privilege.
</Info>

| Column Name        | Column Type   | Description                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   |
| ------------------ | ------------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| `JOB_ID`           | `BIGINT`      | Unique identifier of the system job responsible for the query.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                |
| `QUERY_ID`         | `UUID`        | Unique identifier of the query.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               |
| `USER_NAME`        | `VARCHAR(64)` | Name of the user who initiated the query.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     |
| `ENDPOINT`         | `VARCHAR(64)` | REST endpoint called to initiate the request (for SQL-based requests).                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        |
| `EXECUTION_STATUS` | `VARCHAR(32)` | Final status of the query processing. <br /> <br /> ========================== ==================================================== Status                     Description ========================== ==================================================== `async job done`         Asynchronous job completed successfully. `cancelled`              Job cancelled. `done`                   Job completed successfully. `error`                  Job completed with errors. ========================== ==================================================== |
| `ERROR_MESSAGE`    | `VARCHAR`     | Error message associated with failed query.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   |
| `QUERY_TEXT`       | `VARCHAR`     | SQL command issued (for SQL-based requests).                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  |
| `USER_DATA`        | `VARCHAR`     | Supplemental information about the request.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   |
| `START_TIME`       | `TIMESTAMP`   | Timestamp of query processing start.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          |
| `STOP_TIME`        | `TIMESTAMP`   | Timestamp of query processing stop.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           |
| `SQL_STEP_COUNT`   | `INTEGER`     | Step number in processing this SQL command (for SQL-based requests).                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          |
| `REFRESH_ID`       | `BIGINT`      | Unique identifier of the materialized view refresh performed (for materialized view refreshes).                                                                                                                                                                                                                                                                                                                                                                                                                                                               |
| `RESOURCE_GROUP`   | `VARCHAR(64)` | Name of resource group that governed this query's resource management.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        |
| `SOURCE_IP`        | `VARCHAR(64)` | IP address of user who initiated the query.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   |

### KI\_QUERY\_SPAN\_METRICS

Each record in `KI_QUERY_SPAN_METRICS` represents an independent operation
that was processed on a given rank in order to fulfill a given query request,
along with the statistics collected for that operation.  This table will have
one entry for each rank involved in processing a given operation and the
statistics collected for that rank, per step of the SQL executed.

<Info>
  This table will only show queries run by the user making the request,
  or all queries if the user has system administrator privilege.
</Info>

| Column Name      | Column Type   | Description                                                                                                                   |
| ---------------- | ------------- | ----------------------------------------------------------------------------------------------------------------------------- |
| `QUERY_ID`       | `UUID`        | Unique identifier of the query request.  See [KI\_QUERY\_ACTIVE](#ki-query-active) & [KI\_QUERY\_HISTORY](#ki-query-history). |
| `SPAN_ID`        | `UNSIGNED`    | Unique identifier of the metric span for this query.                                                                          |
| `PARENT_SPAN_ID` | `UNSIGNED`    | Not used.                                                                                                                     |
| `OPERATOR`       | `VARCHAR(32)` | Internal name for operation performed.  Many operators will roughly match the name of the REST endpoints they serve.          |
| `SQL_STEP`       | `INTEGER`     | Step number in processing this SQL command (for SQL-based requests).                                                          |
| `METRIC_DATA`    | `JSON`        | JSON block of collected metrics.                                                                                              |
| `START_TIME`     | `TIMESTAMP`   | Timestamp of operation start on the associated rank.                                                                          |
| `STOP_TIME`      | `TIMESTAMP`   | Timestamp of operation stop on the associated rank.                                                                           |
| `SOURCE_RANK`    | `INTEGER`     | Number of the rank on which this portion of the operation was processed and metrics collected.                                |

### KI\_QUERY\_SPAN\_METRICS\_BY\_SQL\_STEP

Each record in `KI_QUERY_SPAN_METRICS_BY_SQL_STEP` represents the aggregated
statistics of independent operations that were processed in order to fulfill a
given step of a query request.  This table will have one entry for each SQL step
and the aggregate statistics collected on operations that occurred during that
step.

<Info>
  This table will only show queries run by the user making the request,
  or all queries if the user has system administrator privilege.
</Info>

| Column Name                   | Column Type | Description                                                                                                                   |
| ----------------------------- | ----------- | ----------------------------------------------------------------------------------------------------------------------------- |
| `QUERY_ID`                    | `UUID`      | Unique identifier of the query request.  See [KI\_QUERY\_ACTIVE](#ki-query-active) & [KI\_QUERY\_HISTORY](#ki-query-history). |
| `SQL_STEP`                    | `INTEGER`   | Step number in processing this SQL command (for SQL-based requests).                                                          |
| `INS_LOCK_WAIT`               | `VARCHAR`   | Total time waiting for locks to process inserts.                                                                              |
| `INSERT_WAIT`                 | `VARCHAR`   | Total time for processing inserts.                                                                                            |
| `MEMORY_VRAM_NUM_EVICTIONS`   | `VARCHAR`   | Total number of times data was evicted from the [VRAM tier](/content/rm/concepts#rm-concepts-tiers-vram).                     |
| `MEMORY_VRAM_PEAK_BYTES_USED` | `VARCHAR`   | Largest number of VRAM bytes used among operations in this step.                                                              |
| `MEMORY_RAM_NUM_EVICTIONS`    | `VARCHAR`   | Total number of times data was evicted from the [RAM tier](/content/rm/concepts#rm-concepts-tiers-ram).                       |
| `MEMORY_RAM_PEAK_BYTES_USED`  | `VARCHAR`   | Largest number of RAM bytes used among operations in this step.                                                               |
| `IO_DISK_CACHE_BYTES_READ`    | `VARCHAR`   | Total number of bytes read from the [disk cache tier](/content/rm/concepts#rm-concepts-tiers-disk).                           |
| `IO_DISK_CACHE_BYTES_WRITTEN` | `VARCHAR`   | Total number of bytes written to the *disk cache tier*.                                                                       |
| `IO_PERSIST_NUM_EVICTIONS`    | `VARCHAR`   | Total number of times data was evicted from the [persist tier](/content/rm/concepts#rm-concepts-tiers-persist).               |
| `IO_PERSIST_BYTES_READ`       | `VARCHAR`   | Total number of bytes read from the *persist tier*.                                                                           |
| `IO_PERSIST_BYTES_WRITTEN`    | `VARCHAR`   | Total number of bytes written to the *persist tier*.                                                                          |
| `IO_COLD_BYTES_READ`          | `VARCHAR`   | Total number of bytes read from the [cold storage tier](/content/rm/concepts#rm-concepts-tiers-cold).                         |
| `IO_COLD_BYTES_WRITTEN`       | `VARCHAR`   | Total number of bytes written to the *cold storage tier*.                                                                     |

### KI\_QUERY\_WORKERS

Each record in `KI_QUERY_WORKERS` represents the portion of a given query
or REST endpoint call being run on a given worker rank at the time this catalog
table was queried.  It returns worker-specific information about the query
portion running on the given worker rank.  See [KI\_QUERY\_ACTIVE](#ki-query-active) for
general query processing details.

| Column Name           | Column Type    | Description                                                                                                                                                                 |
| --------------------- | -------------- | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| `JOB_ID`              | `BIGINT`       | Unique identifier of the system job responsible for the query.                                                                                                              |
| `WORKER_ID`           | `BIGINT`       | Unique identifier of the worker job responsible for its portion of the query.                                                                                               |
| `TYPE`                | `VARCHAR(64)`  | Type of worker process handling this portion of the query.                                                                                                                  |
| `INTERNAL_NAME`       | `VARCHAR(64)`  | Internal name of worker process handling this portion of the query, if present.                                                                                             |
| `TASK_INFO`           | `VARCHAR(64)`  | Worker task-specific information.                                                                                                                                           |
| `THREAD_POOL`         | `VARCHAR(16)`  | Type of thread pool being used to service this portion of the query.                                                                                                        |
| `STATUS`              | `VARCHAR(16)`  | Status of the processing of this portion of the query--one of: <br /> <br /> \* `cancelled` <br /> \* `completed` <br /> \* `failed` <br /> \* `paused` <br /> \* `running` |
| `BLOCKERS`            | `VARCHAR(128)` | Any dependencies that may be blocking the execution of this portion of the query.                                                                                           |
| `SQL_STEP`            | `INTEGER`      | Step number in processing this SQL command (for SQL-based requests).                                                                                                        |
| `FINAL_MSG_SET`       | `BOOLEAN`      | Whether the final status has been recorded for this portion of the query.                                                                                                   |
| `RUNNING_TASK_COUNT`  | `INTEGER`      | Number of running tasks relating to this portion of the query.                                                                                                              |
| `QUEUED_TASK_COUNT`   | `INTEGER`      | Number of queued tasks relating to this portion of the query.                                                                                                               |
| `PENDING_ASYNC_TASKS` | `INTEGER`      | Number of asynchronous tasks not yet complete for this portion of the query.                                                                                                |
| `ELAPSED_TIME_MS`     | `BIGINT`       | Number of milliseconds that have passed since processing began on this portion of the query.                                                                                |
| `EXCEPTION`           | `VARCHAR(256)` | Any exception thrown during processing this portion of the query.                                                                                                           |
| `SOURCE_RANK`         | `INTEGER`      | Number of the rank on which this portion of the query is being processed.                                                                                                   |

### KI\_RESTORE\_HISTORY

Each record in `KI_RESTORE_HISTORY` represents a single restoration event.  It
will include restorations from all types of backups and also include the
[data source](/content/sql/ddl#sql-create-data-source) through which the backup was
restored.

| Column Name         | Column Type    | Description                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          |
| ------------------- | -------------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ |
| `QUERY_ID`          | `UUID`         | Unique identifier of the restore command issued.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     |
| `BACKUP_NAME`       | `VARCHAR(256)` | Name of the backup being restored.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   |
| `BACKUP_ID`         | `BIGINT`       | Unique identifier of the backup being restored.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      |
| `DATASOURCE_SCHEMA` | `VARCHAR(256)` | Schema containing the data source used in this restoration.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          |
| `DATASOURCE_NAME`   | `VARCHAR(256)` | Name of data source used in this restoration.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        |
| `OBJECTS`           | `VARCHAR`      | Names of the restored objects.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       |
| `USER_NAME`         | `VARCHAR(256)` | Name of the user who initiated the restoration.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      |
| `JOB_ID`            | `BIGINT`       | Unique identifier of the system job responsible for the restoration.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 |
| `BACKUP_KIND`       | `VARCHAR(64)`  | Type of backup this is. <br /> <br /> ========================== ==================================================== Type                       Description ========================== ==================================================== `full`                   Backup of all data, system-wide. `differential`           Backup of all new or modified data since the last full back up. `incremental`            Backup of all new or modified data since the last back up of any type. ========================== ====================================================                                                      |
| `STATUS`            | `VARCHAR(32)`  | Current status of the restoration processing. <br /> <br /> ========================== ==================================================== Status                     Description ========================== ==================================================== `restore_complete`       Restoration complete. `restore_in_progress`    Restoration in progress. `restore_failed`         Restoration failed. `unknown`                Restoration in unknown state. `validated`              Restoration request validated, but not started yet. ========================== ==================================================== |
| `START_TIME`        | `TIMESTAMP`    | Timestamp of restoration processing start.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           |
| `END_TIME`          | `TIMESTAMP`    | Timestamp of restoration processing stop.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            |
| `NUM_RECORDS`       | `BIGINT`       | Number of table records restored.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    |
| `NUM_FILES`         | `BIGINT`       | Number of column data restore files processed.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       |
| `NUM_BYTES`         | `BIGINT`       | Number of bytes of column data restored.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             |
| `EVENT_MESSAGE`     | `VARCHAR`      | Error message text if restoration process failed.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    |
| `ADDITIONAL_INFO`   | `VARCHAR`      | Additional information about this restoration process, including warnings encountered during processing that were not severe enough to halt the process.                                                                                                                                                                                                                                                                                                                                                                                                                                                                             |

### KI\_STREAMS

Each record in `KI_STREAMS` represents a single
[stream](/content/sql/ddl#sql-create-stream)
([table monitor](/content/concepts/table_monitors)).

| Column Name           | Column Type    | Description                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     |
| --------------------- | -------------- | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| `STREAM_SCHEMA`       | `VARCHAR(256)` | Name of the schema containing this stream.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      |
| `STREAM_NAME`         | `VARCHAR(256)` | Name of this stream.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            |
| `SOURCE_TABLE_SCHEMA` | `VARCHAR(256)` | Name of the schema containing the table being monitored.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        |
| `SOURCE_TABLE_NAME`   | `VARCHAR(256)` | Name of the table being monitored.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              |
| `STATUS`              | `VARCHAR(16)`  | Status of this stream--one of: <br /> <br /> \* `enabled` <br /> \* `suspended`                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 |
| `EVENT_TYPE`          | `VARCHAR(16)`  | Triggering event associated with this stream. <br /> <br /> ========== ========================================================================= Event Type Description ========== ========================================================================= `insert` Send records inserted into monitored table to target table/sink. `update` Send counts of records updated in monitored table to target table/sink. `delete` Send counts of records deleted from monitored table to target table/sink. ========== ========================================================================= |
| `DATASINK_SCHEMA`     | `VARCHAR(256)` | Name of the schema containing the table/sink targeted by this stream.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           |
| `DATASINK_NAME`       | `VARCHAR(256)` | Name of the [table](/content/sql/ddl#sql-create-table)/[data sink](/content/sql/ddl#sql-create-data-sink) targeted by this stream.  A stream targeting a table directly will have an auto-generated data sink name.                                                                                                                                                                                                                                                                                                                                                                             |
| `DATASINK_KIND`       | `VARCHAR(16)`  | Type of the sink targeted by this stream--either `table` for a local table or one of the supported [consumer](/content/concepts/data_sinks#create-data-sink-consumers) services.                                                                                                                                                                                                                                                                                                                                                                                                                |

### MV\_DEPENDENCIES

Each record in `MV_DEPENDENCIES` represents a dependent relationship, between
a "source" object and an object that depends on it, that exists to support a
[materialized view](/content/sql/ddl#sql-create-materialized-view); for example, a
*materialized view* will depend on all of the *tables* & *views* referenced in
its corresponding query.

| Column Name           | Column Type    | Description                                                                                                                                                                                                                                                                                  |
| --------------------- | -------------- | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| `MV_SCHEMA`           | `VARCHAR(256)` | The name of the schema containing the materialized view supported by this dependent relationship.                                                                                                                                                                                            |
| `MV_NAME`             | `VARCHAR(256)` | The name of the materialized view supported by this dependent relationship.                                                                                                                                                                                                                  |
| `SOURCE_TABLE_SCHEMA` | `VARCHAR(256)` | The name of the schema containing the object depended on by `DEST_TABLE_NAME`.                                                                                                                                                                                                               |
| `SOURCE_TABLE_NAME`   | `VARCHAR(256)` | The name of the object depended on by `DEST_TABLE_NAME`.                                                                                                                                                                                                                                     |
| `SOURCE_TABLE_KIND`   | `VARCHAR(1)`   | Type of the source table depended on. <br /> <br /> ==== ===================== Code Description ==== ===================== E    External table H    Partitioned table I    Materialized view intermediate table M    Materialized view R    Regular (local) table ==== ===================== |
| `DEST_TABLE_SCHEMA`   | `VARCHAR(256)` | The name of the schema containing the object that depends on `SOURCE_TABLE_NAME`.                                                                                                                                                                                                            |
| `DEST_TABLE_NAME`     | `VARCHAR(256)` | The name of the object that depends on `SOURCE_TABLE_NAME`.                                                                                                                                                                                                                                  |

### OBJECT\_PRIVILEGES

Each record in `OBJECT_PRIVILEGES` represents the mapping of a
[user](/content/security/sec_concepts#security-concepts-users) or
[role](/content/security/sec_concepts#security-concepts-roles) to a system-level or object-level
[permission](/content/security/sec_concepts#security-concepts-permissions) they have.

| Column Name      | Column Type    | Description                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    |
| ---------------- | -------------- | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| `GRANTOR`        | `VARCHAR(256)` | Not used.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      |
| `GRANTEE`        | `VARCHAR(256)` | Name of the user or role associated with this mapping.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         |
| `OBJECT_CATALOG` | `VARCHAR(8)`   | Always `kinetica`.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             |
| `OBJECT_SCHEMA`  | `VARCHAR(256)` | Name of the schema containing the granted object associated with this mapping.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 |
| `OBJECT_NAME`    | `VARCHAR(256)` | Name of the granted object associated with this mapping.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       |
| `OBJECT_TYPE`    | `VARCHAR(256)` | Type of object grant this mapping represents (for object-level permissions). <br /> <br /> ========================== ==================================================== Type                       Description ========================== ==================================================== `context`                [SQL-GPT context](/content/sql/sqlgpt) `credential`             [Credential](/content/sql/ddl#sql-create-credential) `datasink`               [Data sink](/content/sql/ddl#sql-create-data-sink) `datasource`             [Data source](/content/sql/ddl#sql-create-data-source) `directory`              [KiFS directory](/content/sql/kifs#sql-kifs-create-dir) `graph`                  [Graph](/content/sql/graph) `proc`                   [SQL procedure](/content/sql/procedure) or [UDF/UDTF](/content/sql/udf) `schema`                 [Schema](/content/sql/ddl#sql-create-schema) `table`                  [Table](/content/sql/ddl#sql-create-table) or [view](/content/sql/ddl#sql-create-view) `table_monitor`          [Stream](/content/sql/ddl#sql-create-stream) ========================== ==================================================== |
| `PRIVILEGE_TYPE` | `VARCHAR(256)` | Type of permission grant this mapping represents.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              |
| `IS_GRANTABLE`   | `BOOLEAN`      | If permission was granted with the ability to grant it to others.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              |
| `WITH_HIERARCHY` | `BOOLEAN`      | Not used.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      |
| `CREATED`        | `BIGINT`       | Not used.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      |

### PARTITIONS

Each record in `PARTITIONS` represents a single partition of a
[partitioned table](/content/concepts/tables#partitioning).

| Column Name         | Column Type    | Description                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               |
| ------------------- | -------------- | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| `TABLE_SCHEMA`      | `VARCHAR(256)` | Name of the schema containing this partitioned table.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     |
| `TABLE_NAME`        | `VARCHAR(256)` | Name of this partitioned table.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           |
| `RANK_NUM`          | `INTEGER`      | Number of the rank hosting this partition.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                |
| `TOM_ID`            | `INTEGER`      | Number of the TOM hosting this partition.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 |
| `PARTITION_ID`      | `INTEGER`      | 1-based ID number of this partition, unique among partitions associated with this table.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  |
| `CHUNK_ID`          | `INTEGER`      | 1-based ID number of the chunk associated with this partition.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            |
| `PARTITION_COLUMNS` | `VARCHAR`      | Names of columns or column expressions used to partition this table.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      |
| `PARTITION_TYPE`    | `VARCHAR(8)`   | Type of partition: <br /> <br /> ========================== ==================================================== Type                       Description ========================== ==================================================== `NONE`                   Not partitioned `HASH`                   [Hash](/content/concepts/tables#partitioning-by-hash) `INTERVAL`               [Interval](/content/concepts/tables#partitioning-by-interval) `LIST`                   [List](/content/concepts/tables#partitioning-by-list) `RANGE`                  [Range](/content/concepts/tables#partitioning-by-range) `SERIES`                 [Series](/content/concepts/tables#partitioning-by-series) ========================== ==================================================== |
| `TOTAL_ROWS`        | `BIGINT`       | Number of column value records contained within this partition.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           |
| `LOGICAL_TYPES`     | `BIGINT`       | Number of bytes of column data stored within this partition, as reported by the OS.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       |
| `ACTUAL_BYTES`      | `BIGINT`       | Number of bytes of column data stored within this partition, actually.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    |
| `STORAGE_TIER`      | `VARCHAR(32)`  | Tier containing this partition. <br /> <br /> =========== ==================================================================== Type        Description =========== ==================================================================== `PERSIST` [Persist tier](/content/rm/concepts#rm-concepts-tiers-persist) `RAM`     [RAM tier](/content/rm/concepts#rm-concepts-tiers-ram) =========== ====================================================================                                                                                                                                                                                                                                                                                                                        |

### REFERENTIAL\_CONSTRAINTS

Each record in `REFERENTIAL_CONSTRAINTS` represents a
[foreign key](/content/concepts/tables#foreign-key) relationship, regardless of the number
of columns involved in the key (whether a *composite foreign key* or not).

The table information in `REFERENTIAL_CONSTRAINTS` refers to the target side
of the relation (the foreign table referenced by the key).

| Column Name                 | Column Type    | Description                                                                                 |
| --------------------------- | -------------- | ------------------------------------------------------------------------------------------- |
| `CONSTRAINT_CATALOG`        | `VARCHAR(8)`   | Always `kinetica`.                                                                          |
| `CONSTRAINT_SCHEMA`         | `VARCHAR(256)` | The name of the schema containing the table on the source side of this constraint.          |
| `CONSTRAINT_NAME`           | `VARCHAR(256)` | Name of this constraint.                                                                    |
| `UNIQUE_CONSTRAINT_CATALOG` | `VARCHAR(8)`   | Always `kinetica`.                                                                          |
| `UNIQUE_CONSTRAINT_SCHEMA`  | `VARCHAR(256)` | The name of the schema containing the foreign table referenced by this constraint.          |
| `UNIQUE_CONSTRAINT_NAME`    | `VARCHAR(256)` | The auto-generated name of the *primary key* constraint that this *foreign key* references. |
| `MATCH_OPTION`              | `VARCHAR(8)`   | Always `FULL`.                                                                              |
| `UPDATE_RULE`               | `VARCHAR(16)`  | Always `NO ACTION`.                                                                         |
| `DELETE_RULE`               | `VARCHAR(16)`  | Always `NO ACTION`.                                                                         |
| `COMMENT`                   | `VARCHAR`      | Not used.                                                                                   |
| `CREATED`                   | `TIMESTAMP`    | Timestamp of constraint creation.                                                           |
| `LAST_ALTERED`              | `TIMESTAMP`    | Timestamp of the most recent constraint update (initially, time of creation).               |

### ROLE\_TABLE\_GRANTS

This is effectively an alias for the [TABLE\_PRIVILEGES](#table-privileges) table, as that table
has only an additional `CREATED` column, which is presently unused.

### SCHEMATA

Each record in `SCHEMATA` represents a
[schema](/content/sql/ddl#sql-create-schema) in the database.

| Column Name                     | Column Type    | Description                                                                     |
| ------------------------------- | -------------- | ------------------------------------------------------------------------------- |
| `CATALOG_NAME`                  | `VARCHAR(8)`   | Always `kinetica`.                                                              |
| `SCHEMA_NAME`                   | `VARCHAR(256)` | Name of this schema.                                                            |
| `SCHEMA_OWNER`                  | `VARCHAR(256)` | Username of user who created this schema.                                       |
| `IS_TRANSIENT`                  | `BOOLEAN`      | Not used.                                                                       |
| `RETENTION_TIME`                | `BIGINT`       | Not used.                                                                       |
| `DEFAULT_CHARACTER_SET_CATALOG` | `VARCHAR(256)` | Not used.                                                                       |
| `DEFAULT_CHARACTER_SET_SCHEMA`  | `VARCHAR(256)` | Not used.                                                                       |
| `DEFAULT_CHARACTER_SET_NAME`    | `VARCHAR(256)` | Not used.                                                                       |
| `SQL_PATH`                      | `VARCHAR(256)` | Not used.                                                                       |
| `CREATED`                       | `TIMESTAMP`    | Timestamp of schema creation.                                                   |
| `LAST_ALTERED`                  | `TIMESTAMP`    | Timestamp of the most recent schema modification (initially, time of creation). |
| `COMMENT`                       | `VARCHAR`      | User comments associated with this schema.                                      |

### TABLE\_CONSTRAINTS

Each record in `TABLE_CONSTRAINTS` represents a
[primary key](/content/concepts/tables#primary-key) or a
[foreign key](/content/concepts/tables#foreign-key) relationship, regardless of the number
of columns involved in the key (whether a *composite primary/foreign key* or
not).

For *foreign keys*, the table information in `TABLE_CONSTRAINTS` refers to the
source side of the relation (where the key is defined).

| Column Name          | Column Type    | Description                                                                                                                                                                                                                                                                                                                                                                                                      |
| -------------------- | -------------- | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| `CONSTRAINT_CATALOG` | `VARCHAR(8)`   | Always `kinetica`.                                                                                                                                                                                                                                                                                                                                                                                               |
| `CONSTRAINT_SCHEMA`  | `VARCHAR(256)` | The name of the schema containing the table containing this constraint.                                                                                                                                                                                                                                                                                                                                          |
| `CONSTRAINT_NAME`    | `VARCHAR(256)` | Name of this constraint.                                                                                                                                                                                                                                                                                                                                                                                         |
| `TABLE_CATALOG`      | `VARCHAR(8)`   | Always `kinetica`.                                                                                                                                                                                                                                                                                                                                                                                               |
| `TABLE_SCHEMA`       | `VARCHAR(256)` | The name of the schema containing the table containing this constraint.                                                                                                                                                                                                                                                                                                                                          |
| `TABLE_NAME`         | `VARCHAR(256)` | The name of the table containing this constraint.                                                                                                                                                                                                                                                                                                                                                                |
| `CONSTRAINT_TYPE`    | `VARCHAR(16)`  | Type of constraint; one of: <br /> <br /> \* `PRIMARY KEY` <br /> \* `FOREIGN KEY`                                                                                                                                                                                                                                                                                                                               |
| `IS_DEFERRABLE`      | `BOOLEAN`      | Whether the constraint is deferrable. <br /> <br /> ===== ============================================================ Code  Description ===== ============================================================ false Constraint is a *primary key*, non-deferrable in *Kinetica*. true  Constraint is a *foreign key*, deferrable in *Kinetica*. ===== ============================================================ |
| `INITIALLY_DEFERRED` | `BOOLEAN`      | Whether the constraint is initially deferred. <br /> <br /> ===== ========================================================== Code  Description ===== ========================================================== false Constraint is a *primary key*, not deferred in *Kinetica*. true  Constraint is a *foreign key*, deferred in *Kinetica*. ===== ==========================================================   |
| `ENFORCED`           | `BOOLEAN`      | Whether the constraint is enforced. <br /> <br /> ===== ======================================================== Code  Description ===== ======================================================== false Constraint is a *foreign key*, unenforced in *Kinetica*. true  Constraint is a *primary key*, enforced in *Kinetica*. ===== ========================================================                     |
| `COMMENT`            | `VARCHAR`      | Not used.                                                                                                                                                                                                                                                                                                                                                                                                        |
| `CREATED`            | `TIMESTAMP`    | Timestamp of constraint creation.                                                                                                                                                                                                                                                                                                                                                                                |
| `LAST_ALTERED`       | `TIMESTAMP`    | Timestamp of the most recent constraint update (initially, time of creation).                                                                                                                                                                                                                                                                                                                                    |

### TABLE\_PRIVILEGES

Each record in `TABLE_PRIVILEGES` represents the mapping of a
[user](/content/security/sec_concepts#security-concepts-users) or
[role](/content/security/sec_concepts#security-concepts-roles) to a table-level
[permission](/content/security/sec_concepts#security-concepts-permissions) they have.

| Column Name      | Column Type    | Description                                                                    |
| ---------------- | -------------- | ------------------------------------------------------------------------------ |
| `GRANTOR`        | `VARCHAR(256)` | Not used.                                                                      |
| `GRANTEE`        | `VARCHAR(256)` | Name of the user or role associated with this mapping.                         |
| `TABLE_CATALOG`  | `VARCHAR(8)`   | Always `kinetica`.                                                             |
| `TABLE_SCHEMA`   | `VARCHAR(256)` | Name of the schema containing the granted object associated with this mapping. |
| `TABLE_NAME`     | `VARCHAR(256)` | Name of the granted object associated with this mapping.                       |
| `PRIVILEGE_TYPE` | `VARCHAR(256)` | Type of permission grant this mapping represents.                              |
| `IS_GRANTABLE`   | `BOOLEAN`      | If permission was granted with the ability to grant it to others.              |
| `WITH_HIERARCHY` | `BOOLEAN`      | Not used.                                                                      |
| `CREATED`        | `TIMESTAMP`    | Not used.                                                                      |

### TABLES

Each record in `TABLES` represents a single table or view, within the
database, including those in the virtual catalog tables.

| Column Name                    | Column Type    | Description                                                                                                                                                                                                                                                                                                                   |
| ------------------------------ | -------------- | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| `TABLE_CATALOG`                | `VARCHAR(8)`   | Always `kinetica`.                                                                                                                                                                                                                                                                                                            |
| `TABLE_SCHEMA`                 | `VARCHAR(256)` | Name of the schema containing this table or view.                                                                                                                                                                                                                                                                             |
| `TABLE_NAME`                   | `VARCHAR(256)` | Name of this table or view.                                                                                                                                                                                                                                                                                                   |
| `TABLE_OWNER`                  | `VARCHAR(256)` | Username of user who created this table or view.                                                                                                                                                                                                                                                                              |
| `TABLE_TYPE`                   | `VARCHAR(16)`  | Table/view type. <br /> <br /> ============== ======================================= Type           Description ============== ======================================= `BASE TABLE` Regular (local) table or external table `VIEW`       Logical or materialized view ============== ======================================= |
| `SELF_REFERENCING_COLUMN_NAME` | `VARCHAR(256)` | Not used.                                                                                                                                                                                                                                                                                                                     |
| `IS_TRANSIENT`                 | `BOOLEAN`      | Not used.                                                                                                                                                                                                                                                                                                                     |
| `ROW_COUNT`                    | `INTEGER`      | Not used.                                                                                                                                                                                                                                                                                                                     |
| `RETENTION_TIME`               | `BIGINT`       | [Time-to-live](/content/concepts/ttl) for this table/view; *-9999* if no timeout exists.                                                                                                                                                                                                                                      |
| `BYTES`                        | `INTEGER`      | Not used.                                                                                                                                                                                                                                                                                                                     |
| `REFERENCE_GENERATION`         | `VARCHAR(256)` | Not used.                                                                                                                                                                                                                                                                                                                     |
| `USER_DEFINED_TYPE_CATALOG`    | `VARCHAR(256)` | Not used.                                                                                                                                                                                                                                                                                                                     |
| `USER_DEFINED_TYPE_SCHEMA`     | `VARCHAR(256)` | Not used.                                                                                                                                                                                                                                                                                                                     |
| `USER_DEFINED_TYPE_NAME`       | `VARCHAR(256)` | Not used.                                                                                                                                                                                                                                                                                                                     |
| `IS_INSERTABLE_INTO`           | `VARCHAR(256)` | Not used.                                                                                                                                                                                                                                                                                                                     |
| `IS_TYPED`                     | `VARCHAR(256)` | Not used.                                                                                                                                                                                                                                                                                                                     |
| `COMMIT_ACTION`                | `VARCHAR(256)` | Not used.                                                                                                                                                                                                                                                                                                                     |
| `CREATED`                      | `TIMESTAMP`    | Timestamp of table/view creation.                                                                                                                                                                                                                                                                                             |
| `LAST_ALTERED`                 | `TIMESTAMP`    | Timestamp of the most recent table/view definition update.                                                                                                                                                                                                                                                                    |
| `LAST_DDL`                     | `TIMESTAMP`    | Timestamp of the creation or the most recent table/view definition update.                                                                                                                                                                                                                                                    |
| `LAST_DDL_BY`                  | `VARCHAR(256)` | User that initiated the creation or the most recent table/view definition update.                                                                                                                                                                                                                                             |
| `COMMENT`                      | `VARCHAR`      | User comments associated with this table/view.                                                                                                                                                                                                                                                                                |

### VIEWS

Each record in `VIEWS` represents a single logical
[view](/content/sql/ddl#sql-create-view) within the database, including those in
the virtual catalog tables.

| Column Name       | Column Type    | Description                                                                       |
| ----------------- | -------------- | --------------------------------------------------------------------------------- |
| `TABLE_CATALOG`   | `VARCHAR(8)`   | Always `kinetica`.                                                                |
| `TABLE_SCHEMA`    | `VARCHAR(256)` | Name of the schema containing this view.                                          |
| `TABLE_NAME`      | `VARCHAR(256)` | Name of this view.                                                                |
| `TABLE_OWNER`     | `VARCHAR(256)` | Username of user who created this view.                                           |
| `VIEW_DEFINITION` | `VARCHAR(256)` | Query that backs this view.                                                       |
| `CHECK_OPTION`    | `BOOLEAN`      | Not used.                                                                         |
| `IS_UPDATABLE`    | `BOOLEAN`      | Not used.                                                                         |
| `INSERTABLE_INTO` | `BOOLEAN`      | Not used.                                                                         |
| `CREATED`         | `TIMESTAMP`    | Timestamp of view creation.                                                       |
| `LAST_ALTERED`    | `TIMESTAMP`    | Timestamp of the most recent table/view definition update.                        |
| `LAST_DDL`        | `TIMESTAMP`    | Timestamp of the creation or the most recent table/view definition update.        |
| `LAST_DDL_BY`     | `VARCHAR(256)` | User that initiated the creation or the most recent table/view definition update. |
| `COMMENT`         | `VARCHAR`      | User comments associated with this view.                                          |
