Which concurrency control protocol uses timestamp ordering ?
2026
Which concurrency control protocol uses timestamp ordering ?
Answer: B. Timestamp-based protocol — timestamp-based concurrency control protocols use timestamps to order transactions and ensure serializability. Each transaction receives a unique timestamp…
- A.
Two-phase locking
- B.
Timestamp-based protocol
- C.
Validation-based protocol
- D.
Snapshot isolation
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Correct answer: B
timestamp-based concurrency control protocols use timestamps to order transactions and ensure serializability. Each transaction receives a unique timestamp upon arrival, which determines the order of execution and conflict resolution.
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