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How to find execution time for any TSQL

Posted on 2002-04-16
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Last Modified: 2012-06-27
How can i fing how many miliseconds my store procedures or any tsql take to execute.

For example

start time = now()
   Code goes here
end time = now()

diff = start time - end time

how can i find something like this in tsql
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Question by:bcp5190
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ScottPletcher earned 10 total points
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You could capture the current date and time with GETDATE(), as in:

DECLARE @startTime DATETIME
DECLARE @endTime DATETIME
SET @startTime = GETDATE()
...
SET @endTime = GETDATE()

Then calculate the difference via:
SELECT DATEDIFF(ms, @startTime, @endTime)
or:
DECLARE @elapsedTime INT
SET @elapsedTime = DATEDIFF(ms, @startTime, @endTime)
PRINT 'Total elapsed time (in ms) = ' + CAST(@elapsedTime AS VARCHAR)

You can also have SQL echo the time required for each statement by issuing:

SET STATISTICS TIME ON

before issuing the SQL commands.  This setting will stay in effect until turned off.  But it is a session setting, so it would have to issued for every new session, and it only displays the time, it doesn't capture it.  But it can be useful when in Query Analyzer (as can SET STATISTICS IO).
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Author Comment

by:bcp5190
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Thanks ScottPletcher, it works excellent, Thanks again
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by:Moondancer
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