CompleteGATE Doubts Forum
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  1. Which of the following statements are TRUE about an SQL query?

    P : An SQL query can contain a HAVING clause even if it does not have a GROUP BY clause Q : An SQL query can contain a HAVING clause only if it has a GROUP BY clause
    R : All attributes used in the GROUP BY clause must appear in the SELECT clause
    S : Not all attributes used in the GROUP BY clause need to appear in the SELECT clause

    (A) P and R 

    (B) P and S 

    (C) Q and R 

    (D) Q and S 

asked Jun 27, 2016 in Database Management System by CompleteGATE-AskUS (3,550 points) | 2,458 views

1 Answer

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  1. (C) Q and R 

answered Jun 27, 2016 by CompleteGATE-AskUS (3,550 points)
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