sql 2005 query

HI all,
i have table with
employeeid number
timein datetime
timout datetime

how can i calculate total punched hours. how can i calculate it timeout is null

the sample data i am giving.
empid   storeid      punchin                  punchout
2      1      2007-07-18 18:44:26.897      NULL
95      1      2007-08-22 17:20:04.373      NULL
2      5      2007-08-21 08:00:00.000      2007-08-21 10:00:00.000
2      5      2007-08-21 20:43:17.387      2007-08-22 11:08:40.343
59      7      2007-10-02 15:10:00.000      2007-10-02 18:56:44.973
62      7      2007-09-08 09:15:00.000      2007-09-08 19:30:00.000
62      7      2007-09-17 09:21:00.000      2007-09-17 17:00:00.000
romeiovasuAsked:
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srafi78Connect With a Mentor Commented:
Oops typo
Select empid, storeid, sum(hours) from
(Select empid, storeid, Case when punchout is null then 0 else
DateDiff(hour , punchin, punchout) end as hours from employee)A
group by empid, storeid
0
 
srafi78Commented:
Select empid, storeid, sum(hours) from
(Select empid, storeid, Case when punchout is null then 0 else
DateDiss(hours , punchin, punchout) end as hours from employee)A
group by empid, storeid
0
 
David ToddConnect With a Mentor Senior DBACommented:
Hi,

I'd suggest that instead of taking the datediff by hours that you do it in minutes else get only whole hours. And the amount of hours isn't whole hours as the code snippet shows.

Of course if you want hours you'll have to divide the minutes by 60, but you know that.

Cheers
  David
use tempdb
go
 
declare @StartDate datetime
declare @EndDate datetime
 
select 
	@StartDate = '2007-12-04 11:55:00'
	, @EndDate = '2007-12-04 12:05:00'
 
select 
	datediff( hour, @StartDate, @EndDate ) as hours
	, datediff( minute, @StartDate, @EndDate ) as mins
	

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