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      Question

      Which concurrency control technique uses read and write

      locks to ensure consistency?
      A Two-phase locking (2PL) Correct Answer Incorrect Answer
      B Timestamp ordering Correct Answer Incorrect Answer
      C Optimistic concurrency control Correct Answer Incorrect Answer
      D Strict two-phase locking (Strict 2PL) Correct Answer Incorrect Answer

      Solution

      Two-phase locking (2PL)

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