Which DBMS feature helps restore database information after accidental data loss?
Options
- A. Data abstraction
- B. Backup and recovery
- C. Concurrency control
- D. More than one of the above
- E. None of the above
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Quiz Practice:
Correct Answer (Detailed Explanation is Below)
B. Backup and recovery
Detailed Explanation
- Backup: Creates copies of database information for future restoration.
- Recovery: Restores the database to a consistent state after failures.
- Log files and checkpoints can assist database recovery.