• Tac11 (6/30/2015)


    ...

    I didn't understand why execution plan suggesting me to create non-clustered index on this while the table already has a clustered index!!!

    Then you need to read this article[/url].

    “Write the query the simplest way. If through testing it becomes clear that the performance is inadequate, consider alternative query forms.” - Gail Shaw

    For fast, accurate and documented assistance in answering your questions, please read this article.
    Understanding and using APPLY, (I) and (II) Paul White
    Hidden RBAR: Triangular Joins / The "Numbers" or "Tally" Table: What it is and how it replaces a loop Jeff Moden