ЁЯУв Too many exams? DonтАЩt know which one suits you best? Book Your Free Expert ЁЯСЙ call Now!

    Question

    Query optimization heuristic that тАЬpushes selections

    downтАЭ improves:
    A Join performance Correct Answer Incorrect Answer
    B Sorting efficiency Correct Answer Incorrect Answer
    C Recovery time Correct Answer Incorrect Answer
    D Concurrency Correct Answer Incorrect Answer
    E Index building Correct Answer Incorrect Answer

    Solution

    Applying selections before joins reduces intermediate result size.

    Practice Next
    More IT DBMS Questions
    ask-question