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  1. Which of the following SQL statements are helpful in database redesign?

    2. A.

     Correlated subqueries only
    B.

     EXISTS/NOT EXISTS expressions only
    C.

     Both of the above are helpful
    D.

     None of the above are helpful

    View Answer

    Workspace

    View Answer

    Answer : Option C

    Explanation :

    Explanation Not Provided

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