Time for action – switchover with a logical standby database using SQL*Plus

Now we will see a step-by-step approach to perform a switchover between the primary and the logical standby database:

  1. Check the switchover status of the primary database. Ensure that the status is either TO STANDBY or SESSIONS ACTIVE; if so, you are safe to perform a switchover as shown in the following code:
    SQL> select switchover_status from v$database;
    SWITCHOVER_STATUS
    --------------------
    TO STANDBY

    Note

    In case of RESOLVABLE GAP, wait until SQL was applied on the logical standby database; for other statuses, troubleshoot and fix the synchronization for the switchover process to be successful.

  2. Prepare the primary database for switchover. Execute the following command from ...

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