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:
- Check the switchover status of the primary database. Ensure that the status is either
TO STANDBY
orSESSIONS 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. - Prepare the primary database for switchover. Execute the following command from ...
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