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Discussion :: DBMS MCQs

  1. Consider the following action:
    Transaction¦..
    Commit;
    Rollback;
    What does Rollback do?
    2. A.
    Undoes the transactions before commit
    B.
    Clears all transactions
    C.
    Redoes the transactions before commit
    D.
    No action

    View Answer

    Workspace

    View Answer

    Answer : Option D

    Explanation :

    No action

    Once a transaction has executed commit work, its effects can no longer be undone by rollback work.

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