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Last Updated:Nov 07, 2023

Deletes a database link from a PolarDB for PostgreSQL (Compatible with Oracle) cluster.


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Authorization information

The following table shows the authorization information corresponding to the API. The authorization information can be used in the Action policy element to grant a RAM user or RAM role the permissions to call this API operation. Description:

  • Operation: the value that you can use in the Action element to specify the operation on a resource.
  • Access level: the access level of each operation. The levels are read, write, and list.
  • Resource type: the type of the resource on which you can authorize the RAM user or the RAM role to perform the operation. Take note of the following items:
    • The required resource types are displayed in bold characters.
    • If the permissions cannot be granted at the resource level, All Resources is used in the Resource type column of the operation.
  • Condition Key: the condition key that is defined by the cloud service.
  • Associated operation: other operations that the RAM user or the RAM role must have permissions to perform to complete the operation. To complete the operation, the RAM user or the RAM role must have the permissions to perform the associated operations.
OperationAccess levelResource typeCondition keyAssociated operation
  • DBCluster

Request parameters


The ID of the source cluster where a database link is to be deleted.

Note You can call the DescribeDBClusters operation to query PolarDB clusters.

The name of the database link to be deleted.


Response parameters


The ID of the request.



Sample success responses


  "RequestId": "F9F1CB1A-B1D5-4EF5-A53A-************"

Error codes

HTTP status codeError codeError messageDescription
403OperationDenied.DBClusterDeletionLockThe operation is not permitted due to the deletion lock of cluster.This operation is not supported while a deletion lock exists in the cluster.
404InvalidDBCluster.NotFoundThe DBClusterId provided does not exist in our records.The specified DBClusterId parameter does not exist in the current record.

For a list of error codes, visit the Service error codes.

Change history

Change timeSummary of changesOperation
2023-09-12The error codes of the API operation change.see changesets
Change itemChange content
Error CodesThe error codes of the API operation change.
    Error Codes 404 change
    delete Error Codes: 403