Date Calc - SQL Server Forums

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Date Calc

Author

Topic

Brittney10
Posting Yak Master

154 Posts

Posted - 2013-01-22 : 10:31:37

I'm trying to determine the date difference between two records. For example:

ID_____TYPE______TIME
1______START____1/22/2013 08:00:00AM
1______END______1/22/2013 08:10:00AM
2______START____1/22/2013 09:00:00AM
2______END______1/22/2013 09:20:00AM

RESULTS
ID____DIFF
1_____00:00:10
2_____00:00:20

Basically the difference between start and end time group by ID.

Thanks for the help in advance!

James K
Master Smack Fu Yak Hacker

3873 Posts

Posted - 2013-01-22 : 10:47:06

If the time column is datetime type, then:

SELECT
	id,
	CONVERT( VARCHAR(32),
		MAX(CASE WHEN TYPE = 'end' THEN TIME END)-
		MIN(CASE WHEN TYPE = 'start' THEN TIME END)
		,114)
FROM
	YourTable
GROUP BY
	id

Brittney10
Posting Yak Master

154 Posts

Posted - 2013-01-22 : 11:52:12

Perfect! Exactly what i was trying to accomplish. Thanks!

James K
Master Smack Fu Yak Hacker

3873 Posts

Posted - 2013-01-22 : 13:02:34

You are very welcome - glad to be of help.

visakh16
Very Important crosS Applying yaK Herder

52326 Posts

Posted - 2013-01-23 : 01:33:27

quote:
Originally posted by Brittney10

Perfect! Exactly what i was trying to accomplish. Thanks!

can there be a data like below

5______START____1/22/2013 09:00:00PM
5______END______1/23/2013 03:20:00AM

------------------------------------------------------------------------------------------------------
SQL Server MVP
http://visakhm.blogspot.com/

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