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    Question

    Which concurrency control technique allows multiple

    transactions to access the database simultaneously?
    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

    Optimistic concurrency control

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