Define the terms rollback and rollforward

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Reference no: EM131259262

1. Explain how a database could be recovered via reprocessing. Why is this generally not feasible?

2. Define the terms rollback and rollforward.

3. Why is it important to write to a log before changing the database values?

4. Describe the rollback process. Under what conditions should rollback be used?

Reference no: EM131259262

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