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Question and Answer

Connor McDonald

Thanks for the question.

Asked: April 07, 2021 - 5:57 am UTC

Last updated: April 07, 2021 - 7:45 am UTC

Version: 12.1

Viewed 1000+ times

You Asked

Hello Tom,

Supposed my data file got crashed at 9PM IST & we to do point in time recovery.

We have a full db backup which was started at 8AM IST & got finished at 7PM IST in that do we need to apply redo log archive backup?

Can you tell me how will come to know which archive backup needed to perform point in time recovery?


Regards,
Nishant


and Connor said...

You will almost *always* need your archivelogs if your backup are taken with the database open.

Only if the database is closed (mounted) will an RMAN backup be usable without any archivelogs.

An easy way to see what will be done as part of a recovery is to "preview", eg

RUN
{
 set until time "to_date('06-APR-2021 20:59:00','dd-mon-yyyyhh24:mi:ss')";
 RESTORE DATABASE PREVIEW ;
 }


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