Q. Which of the following is not a recovery technique?
- Deferred update
- Immediate update
- Two-phase commit
- Shadow paging
Answer: Two-phase commit
Two-phase commit is not a recovery techniqueData recovery is the process of restoring data that has been lost, accidentally deleted, corrupted or made inaccessible. In enterprise IT, data recovery typically refers to the restoration of data to a desktop, laptop, server or external storage system from a backup.
Recovery Techniques
- Undoing
- Deferred update
- Immediate update
- Caching/Buffering
- Shadow paging
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