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)

    Practice Next

    Relevant for Exams: