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select query peformance

  • January 6, 2009 at 6:05 am

    #921706

    First, I'd give Peso's code a whirl.

    Second, if you really must do the Null conversion to 0, use ISNULL instead of COALESCE... ISNULL is actually quite a bit faster the COALESCE.

    --Jeff Moden

    RBAR is pronounced "ree-bar" and is a "Modenism" for Row-By-Agonizing-Row.
    First step towards the paradigm shift of writing Set Based code:
    ________Stop thinking about what you want to do to a ROW... think, instead, of what you want to do to a COLUMN.

    Change is inevitable... Change for the better is not.

    Helpful Links:
    How to post code problems
    How to Post Performance Problems
    Create a Tally Function (fnTally)

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