How To Find The Difference Between 2 Times In SQL

Apr 10, 2007

Hi,

I am trying to find the difference between two times (timeIN, timeOut)and then populate a new field called "duration of stay" with the difference.

The two times are in a table called attendance and the new duration of stay field is to be populated in a table called factAttend2

Is there an easy way to do this?

Thanks

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Calculate The Difference Time Between Two Times?

Oct 9, 2013

i am using this expression to get the time difference between two times.

{%Z.elapsed.time(@AK.VD.depart.date,@AK.VD.depart.time,@AK.VD.depart.date,@DV.VD.arrival.time,"hh.hh")*60} as [LOS (min)]

When Arrival time and depart time both are on same day above expression working to get the diference .

But if arrival date 2013-09-20 00:00:00.000 and arrival time 0800 and depart date 2013-09-21 00:00:00.000 and depart time 0050 when i calculate the time difference(using above expression) between these two i am getting -429.60 which is wrong. i have to get around 990.

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I could get this easy enough with a DATEDIFF function.

But what about:

OPEN: 08:00:00
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10 Hours total but only 8 of those 10 are within 9am-5pm.

Or what about:

OPEN: 10:00:00
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10 Hours total but only 7 are within 9am-5pm range.

I can calculate the total hours/minutes between the two times but not within that special range.

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SQL Statement.

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SQL StatementSELECT LENGTH_OF_VISIT FROM NOV.MAIN;




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30-Apr-2007 01:00:00 AM

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