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Oracle Database 10g RMAN Backup & Recovery by Robert Freeman, Matthew Hart

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CHAPTER 17Duplication: Cloning the Target Database

We’ve hinted at this chapter’s content since the earliest part of the book: RMAN will help you leverage your backups beyond disaster recovery. Indeed, we’ve already talked about using RMAN for corruption checking and cross-platform database conversion (see Chapter 13). One of the other ways you can leverage your backups is to use them to make copies of the production database for testing and development purposes. In the database world, we refer to this as cloning (keep your sheep jokes to yourself).

Database cloning can provide an excellent way to test version upgrades, new application rollouts, and even bug patches. Cloning can also be used to prepare reporting databases that are kept separate ...

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