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ALTER SYNONYM

Function

ALTER SYNONYM modifies the attributes of the SYNONYM object.

Precautions

  • Currently, only the owner of the SYNONYM object can be changed.
  • Only the system administrator has the permission to modify the owner of the SYNONYM object.
  • The new owner must have the CREATE permission on the schema where the SYNONYM object resides.

Syntax

ALTER SYNONYM synonym_name
    OWNER TO new_owner;

Parameter Description

  • synonym

    Specifies the name of the synonym to be modified, which can contain the schema name.

    Value range: a string. It must comply with the naming convention rule.

  • new_owner

    Specifies the new owner of the SYNONYM object.

    Value range: a string. It must be a valid username.

Examples

-- Create synonym t1.
mogdb=#  CREATE OR REPLACE SYNONYM t1 FOR ot.t1;

-- Create a user u1.
mogdb=# CREATE USER u1 PASSWORD 'user@111';

-- Change the owner of synonym t1 to u1.
mogdb=# ALTER SYNONYM t1 OWNER TO u1;

-- Delete synonym t1.
mogdb=# DROP SYNONYM t1;

-- Delete user u1.
mogdb=# DROP USER u1;