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

AlterSynonym ::= 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;

Helpful Links

CREATE SYNONYM，DROP SYNONYM