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# alterCredential

<div className="kinetica-javadoc">
  <ul className="member-list">
    <li>
      <div className="section detail" id="alterCredential(com.gpudb.protocol.AlterCredentialRequest)">
        <h3>alterCredential</h3>
        <div className="member-signature"><span className="modifiers">public</span> <span className="return-type"><a href="/content/api/java/com/gpudb/protocol/AlterCredentialResponse" title="class in com.gpudb.protocol">AlterCredentialResponse</a></span> <span className="element-name">alterCredential</span><wbr /><span className="parameters">(<a href="/content/api/java/com/gpudb/protocol/AlterCredentialRequest" title="class in com.gpudb.protocol">AlterCredentialRequest</a> request)</span> throws <span className="exceptions"><a href="/content/api/java/com/gpudb/GPUdbException" title="class in com.gpudb">GPUdbException</a></span></div>
        <div className="block">Alter the properties of an existing <a href="/content/concepts/credentials/" target="_top">credential</a>.</div>

        <div className="dl notes">
          <div className="dt">Parameters:</div>
          <div className="dd"><code>request</code> - <a href="/content/api/java/com/gpudb/protocol/AlterCredentialRequest" title="class in com.gpudb.protocol"><code>Request</code></a> object containing the parameters for the operation.</div>
          <div className="dt">Returns:</div>
          <div className="dd"><a href="/content/api/java/com/gpudb/protocol/AlterCredentialResponse" title="class in com.gpudb.protocol"><code>Response</code></a> object containing the results of the operation.</div>
          <div className="dt">Throws:</div>
          <div className="dd"><code><a href="/content/api/java/com/gpudb/GPUdbException" title="class in com.gpudb">GPUdbException</a></code> - if an error occurs during the operation.</div>
        </div>
      </div>
    </li>

    <li>
      <div className="section detail" id="alterCredential(java.lang.String,java.util.Map,java.util.Map)">
        <h3>alterCredential</h3>
        <div className="member-signature"><span className="modifiers">public</span> <span className="return-type"><a href="/content/api/java/com/gpudb/protocol/AlterCredentialResponse" title="class in com.gpudb.protocol">AlterCredentialResponse</a></span> <span className="element-name">alterCredential</span><wbr /><span className="parameters">(<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" className="external-link">String</a> credentialName, <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/util/Map.html" title="class or interface in java.util" className="external-link">Map</a>\<<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" className="external-link">String</a>,<wbr /><a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" className="external-link">String</a>> credentialUpdatesMap, <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/util/Map.html" title="class or interface in java.util" className="external-link">Map</a>\<<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" className="external-link">String</a>,<wbr /><a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" className="external-link">String</a>> options)</span> throws <span className="exceptions"><a href="/content/api/java/com/gpudb/GPUdbException" title="class in com.gpudb">GPUdbException</a></span></div>
        <div className="block">Alter the properties of an existing <a href="/content/concepts/credentials/" target="_top">credential</a>.</div>

        <div className="dl notes">
          <div className="dt">Parameters:</div>
          <div className="dd"><code>credentialName</code> - Name of the credential to be altered. Must be an existing credential.</div>

          <div className="dd">
            <code>credentialUpdatesMap</code> - Map containing the properties of the credential to be updated. Error if empty.

            <ul>
              <li>
                <a href="/content/api/java/com/gpudb/protocol/AlterCredentialRequest.CredentialUpdatesMap#TYPE"><code>TYPE</code></a>: New type for the credential. Supported values:

                <ul>
                  <li><a href="/content/api/java/com/gpudb/protocol/AlterCredentialRequest.CredentialUpdatesMap#AWS_ACCESS_KEY"><code>AWS\_ACCESS\_KEY</code></a> </li>
                  <li><a href="/content/api/java/com/gpudb/protocol/AlterCredentialRequest.CredentialUpdatesMap#AWS_IAM_ROLE"><code>AWS\_IAM\_ROLE</code></a> </li>
                  <li><a href="/content/api/java/com/gpudb/protocol/AlterCredentialRequest.CredentialUpdatesMap#AZURE_AD"><code>AZURE\_AD</code></a> </li>
                  <li><a href="/content/api/java/com/gpudb/protocol/AlterCredentialRequest.CredentialUpdatesMap#AZURE_OAUTH"><code>AZURE\_OAUTH</code></a> </li>
                  <li><a href="/content/api/java/com/gpudb/protocol/AlterCredentialRequest.CredentialUpdatesMap#AZURE_SAS"><code>AZURE\_SAS</code></a> </li>
                  <li><a href="/content/api/java/com/gpudb/protocol/AlterCredentialRequest.CredentialUpdatesMap#AZURE_STORAGE_KEY"><code>AZURE\_STORAGE\_KEY</code></a> </li>
                  <li><a href="/content/api/java/com/gpudb/protocol/AlterCredentialRequest.CredentialUpdatesMap#DOCKER"><code>DOCKER</code></a> </li>
                  <li><a href="/content/api/java/com/gpudb/protocol/AlterCredentialRequest.CredentialUpdatesMap#GCS_SERVICE_ACCOUNT_ID"><code>GCS\_SERVICE\_ACCOUNT\_ID</code></a> </li>
                  <li><a href="/content/api/java/com/gpudb/protocol/AlterCredentialRequest.CredentialUpdatesMap#GCS_SERVICE_ACCOUNT_KEYS"><code>GCS\_SERVICE\_ACCOUNT\_KEYS</code></a> </li>
                  <li><a href="/content/api/java/com/gpudb/protocol/AlterCredentialRequest.CredentialUpdatesMap#HDFS"><code>HDFS</code></a> </li>
                  <li><a href="/content/api/java/com/gpudb/protocol/AlterCredentialRequest.CredentialUpdatesMap#KAFKA"><code>KAFKA</code></a> </li>
                </ul>
              </li>

              <li><a href="/content/api/java/com/gpudb/protocol/AlterCredentialRequest.CredentialUpdatesMap#IDENTITY"><code>IDENTITY</code></a>: New user for the credential. </li>
              <li><a href="/content/api/java/com/gpudb/protocol/AlterCredentialRequest.CredentialUpdatesMap#SECRET"><code>SECRET</code></a>: New password for the credential. </li>
              <li><a href="/content/api/java/com/gpudb/protocol/AlterCredentialRequest.CredentialUpdatesMap#SCHEMA_NAME"><code>SCHEMA\_NAME</code></a>: Updates the schema name. If <a href="/content/api/java/com/gpudb/protocol/AlterCredentialRequest.CredentialUpdatesMap#SCHEMA_NAME"><code>SCHEMA\_NAME</code></a> doesn't exist, an error will be thrown. If <a href="/content/api/java/com/gpudb/protocol/AlterCredentialRequest.CredentialUpdatesMap#SCHEMA_NAME"><code>SCHEMA\_NAME</code></a> is empty, then the user's default schema will be used. </li>
            </ul>
          </div>

          <div className="dd"><code>options</code> - Optional parameters.</div>
          <div className="dt">Returns:</div>
          <div className="dd"><a href="/content/api/java/com/gpudb/protocol/AlterCredentialResponse" title="class in com.gpudb.protocol"><code>Response</code></a> object containing the results of the operation.</div>
          <div className="dt">Throws:</div>
          <div className="dd"><code><a href="/content/api/java/com/gpudb/GPUdbException" title="class in com.gpudb">GPUdbException</a></code> - if an error occurs during the operation.</div>
        </div>
      </div>
    </li>
  </ul>
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