Wednesday, July 4, 2012

Difference Between Rollforward and Rollback

Difference Between Rollforward and Rollback:
Roll forward: 
The Rollforward is redoing the changes made by a transaction that is after the committed transaction and to over-write the changed value once again to ensure the consistency.

Roll back: 
The Rollback transaction is a transaction which rolls back the transaction to the beginning of the transaction (Rollback Transaction_name). It is possible to use before Commit transaction.

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