> ## 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.

# /show/schema

```
URL: http://<db.host>:<db.port>/show/schema
```

Retrieves information about a [schema](../../concepts/schemas/) (or all
schemas), as specified in input parameter *schema\_name*.

## Input Parameter Description

<ParamField body="schema_name" type="string">
  Name of the schema for which to retrieve the information. If blank, then info for all schemas is returned.
</ParamField>

<ParamField body="options" type="map of string to strings">
  Optional parameters.

  The default value is an empty map ( \{} ).

  <Expandable title="options">
    <ParamField body="no_error_if_not_exists">
      If *false* will return an error if the provided input parameter *schema\_name* does not exist. If *true* then it will return an empty result if the provided input parameter *schema\_name* does not exist.

      The default value is `false`.

      The supported values are:

      * true
      * false
    </ParamField>
  </Expandable>
</ParamField>

## Output Parameter Description

The Kinetica server embeds the endpoint response inside a standard response structure which contains status information and the actual response to the query.  Here is a description of the various fields of the wrapper:

<ResponseField name="status" type="String">
  'OK' or 'ERROR'
</ResponseField>

<ResponseField name="message" type="String">
  Empty if success or an error message
</ResponseField>

<ResponseField name="data_type" type="String">
  'show\_schema\_response' or 'none' in case of an error
</ResponseField>

<ResponseField name="data" type="String">
  Empty string
</ResponseField>

<ResponseField name="data_str" type="JSON or String">
  This embedded JSON represents the result of the /show/schema endpoint:

  <Expandable title="data_str">
    <ResponseField name="schema_name" type="string">
      Value of input parameter *schema\_name*.
    </ResponseField>

    <ResponseField name="schema_names" type="array of strings">
      A list of all schema names for which information is returned.
    </ResponseField>

    <ResponseField name="schema_tables" type="array of arrays of strings">
      An array of arrays containing a list of tables in each of the respective output parameter *schema\_names*.
    </ResponseField>

    <ResponseField name="additional_info" type="array of maps of string to strings">
      Additional information about the respective tables in output parameter *schema\_names*.
    </ResponseField>

    <ResponseField name="info" type="map of string to strings">
      Additional information.
    </ResponseField>
  </Expandable>

  Empty string in case of an error.
</ResponseField>