production and DR DB are synchronized after managed recovery mode

I do the recovery mode managed all disaster of the DB. My manager asked me to check if the production and DR DB are synchronized after the DR DB change. I don't know how to do it. Could you please help me with this?

Thanks for the help.

-Sam

You can use the following queries:

on the primary:

select max(sequence#) current_seq from v$log;

on the standby:

select max(applied_seq#) last_seq from     v$archive_dest_status;

Must be the same.

concerning

Tags: Database

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