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Wednesday, February 16, 2011

Reading Query Plans


Query Plan Option

1. Graphical Plans 
    
  Displayed estimated execution Plan   (ctrl+L)
  Include Actual execution Plan   (ctrl+M)
 
2. Text Plans

  SET SHOWPLAN_TEXT ON
  go
  go  SET SHOWPLAN_TEXT OFF


3. XML Plans

 SET SHOWPLAN_XML ON
  go
   Select * from tablename
  go
  SET SHOWPLAN_XML OFF

In order to view complete statistics


SET STATISTICS PROFILE ON

 In order to Execution Times

SET STATISTICS TIME ON




Query Optimizer
Query Execution Engin
Select * from tablenameSET STATISTICS PROFILE OFF
   Select * from tablename

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