Time for action – changing the database name
Follow these steps to change DB_UNIQUE_NAME
of a database in the Data Guard broker configuration.
- Prior to changing the database name, disable the database from the configuration as follows:
DGMGRL> show database 'INDIA_UN'; Database - INDIA_UN Role: PHYSICAL STANDBY Intended State: APPLY-ON Transport Lag: 0 seconds Apply Lag: 0 seconds Real Time Query: ON Instance(s): INDIA Database Status: SUCCESS DGMGRL> disable database 'INDIA_UN'; Disabled.
- Change the
DB_UNIQUE_NAME
value of the standby database as follows:SQL> select db_unique_name,database_role from v$database; DB_UNIQUE_NAM DATABASE_ROLE ------------- ---------------- india_un PHYSICAL STANDBY SQL> alter system set db_unique_name='INDIA_NEW' ...
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