Which concurrency control protocol uses timestamp ordering ?
2026
Which concurrency control protocol uses timestamp ordering ?
- A.
Two-phase locking
- B.
Timestamp-based protocol
- C.
Validation-based protocol
- D.
Snapshot isolation
Attempted by 138 students.
Show answer & explanation
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.