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Freitag, September 28, 2007

Clear SQL Cache

When you do performance tests in Dynamics AX, you often want to clear the SQL cache so you can be sure that all data must be re-read from the disks.
If you want to clear the SQL cache, execute these 3 lines in a query window:

CHECKPOINT
DBCC DROPCLEANBUFFERS WITH NO_INFOMSGS
DBCC FREEPROCCACHE WITH NO_INFOMSGS