RMAN to manage the restoration of table for batch run

Hi all

11.2.0.1

Our batch process sometimes must be rerun or reprocess because of wrong process/product.

The replay process, we import back 1 table affected since the last backup of the night.

RMAN is able to restore a single table in the PROD database without affecting other tables?

Or this can be done only through expdp and this is why we also need to save this table every day using this tool?

Thank you very much

zxy

yxes2013 wrote:

I am therefore justified I should use expdp as a way to save single table? Contrary to what they say that expdp cannot be used as a backup tool?

Thank you

Fran and many, many, many others have pointed out on many, many, many other threads, export cannot be considered a backup of the database because it cannot be used to restore a database.  You must have a live, healthy, functioning of data base upward and running in order to have something in which to import.

Which is to say not that export is not put in a normal backup plan. Most DBA will include a regular periodic export as well as their backups rman.  Exactly the type of scenario you describe.  If you know going in what a batch can be cancelled, so it is perfectly legitimate to start this batch with one-step expdp to export tables that are involved.  However, If there is no other treatment had place between start this batch and the time you discover that you need to 'reset' and run it again, a recovery of the PIT of rman backup database, or blowback of base of data might be a preferable solution.

As in all things, the answer is 'it depends', and only your organization can decide...

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