August 26, 2013 at 6:37 am
What is Plan Cache and Procedure Cache and Data Cache?Why these are used for ?
August 26, 2013 at 6:47 am
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
August 26, 2013 at 8:26 am
Just to add to what Gail said. They're both part of the buffer pool...
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