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    Question

    What does a "Shared Lock" in a DBMS locking protocol

    allow?  
    A Multiple transactions to read the locked resource simultaneously Correct Answer Incorrect Answer
    B A single transaction to exclusively write to the locked resource Correct Answer Incorrect Answer
    C Multiple transactions to write to the locked resource Correct Answer Incorrect Answer
    D A transaction to read and write to the locked resource simultaneously Correct Answer Incorrect Answer

    Solution

    Multiple transactions to read the locked resource simultaneously

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