Question

    A trigger is ?

    A A statement that enables to start any DBMS Correct Answer Incorrect Answer
    B A statement that is executed by the user when debugging an application program Correct Answer Incorrect Answer
    C A condition the system tests for the validity of the database user Correct Answer Incorrect Answer
    D A statement that is executed automatically by the system as a side effect of modification to the database Correct Answer Incorrect Answer
    E All of these Correct Answer Incorrect Answer

    Solution

    The correct answer is D

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