average of time ( nvarchar)

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My table contains a column called P_Time. which has time duration's like (Ex :
01:30:45,
03:45:00,
00:43:34,
04:55:06,
00:54:00,
23:13:09
and SO ON).. But P_Time is of nvarchar(50) datatype... But my question how can i find out the average time of all this records using a query..

Posted 11-Jan-13 23:07pm

Sharath2790

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OriginalGriff · Accepted Answer · 2013-01-11T23:20:00

Solution 1

Try:

SQL

SELECT AVG(DATEDIFF(second, '0:0:0',CONVERT(time, P_Time, 108))) FROM TimeTab

But it would be a much, much better idea to store times as times - it is much easier and safer to work with than strings.

Posted 11-Jan-13 23:20pm

OriginalGriff

Comments

Sharath2790 12-Jan-13 5:29am

Thank you!!

OriginalGriff 12-Jan-13 5:34am

You're welcome!

Maciej Los 12-Jan-13 16:27pm

Good work, OriginalGriff, +5!