• Grizzly Bear (1/24/2011)


    Then this begs the next question -- how do I know which NON_CLUSTERED index used this CLUSTERED index for "lookups" and how many times each did ?

    You don't.

    Only way to even get an idea is to look at the execution plans, but that's far from easy.

    Gail Shaw
    Microsoft Certified Master: SQL Server, MVP, M.Sc (Comp Sci)
    SQL In The Wild: Discussions on DB performance with occasional diversions into recoverability

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