Clearing Caches in SQL Server

The following are a few useful commands for Database Performance testing:

  • DBCC FREEPROCCACHE – Clears the procedure cache and forces SQL Server to recompile procedure plans the next time a respective procedure is run
  • DBCC DROPCLEANBUFFERS – Clears the SQL Server data cache i.e any data that exists in the buffer cache from previous execution of queries is removed
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