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Setting up backups with data replication

EXPERT RESPONSE FROM: Harish Harbham

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QUESTION POSED ON: 14 March 2007
I want to set up data replication in Oracle 10g (hot sink). I have two Oracle 10g servers, one for production and the other for backup. The problem is I want backups done automatically side by side as the queries have been made and not by the user when he demands a backup. Can you guide me on how to do that if it is possible?

EXPERT RESPONSE
If you are genuinely using the second database as a backup for the first one then the simplest solution to keep this in line with the production would be to set up a Data Guard solution. Oracle will automatically keep the backup database up to date with production; optionally you can "lag" the second database by some time as well. Optionally you can open this database for read-only purposes. I suggest you take a look at Oracle's Data Guard overview.

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