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Procedure Cache and Data Cache

  • August 26, 2013 at 6:37 am

    #298249

    What is Plan Cache and Procedure Cache and Data Cache?Why these are used for ?

  • August 26, 2013 at 6:47 am

    #1644845

    Procedure cache is the old name for the plan cache.

    Plan cache - cache of compiled query plans so that the optimiser doesn't have to regenerate them

    Data cache - cache of data pages so that they don't have to be read off disk (slow) every single time they're needed.

    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

    We walk in the dark places no others will enter
    We stand on the bridge and no one may pass

  • August 26, 2013 at 8:26 am

    #1644881

    Just to add to what Gail said. They're both part of the buffer pool...

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