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Calculating date differences for multiple records

Hi,
I have an attendance machine which saves records in an Access Database in the following format : UserID DATE/TIME Checktype
where if checktype is 0 then its check in and if it is 1 then it check out

I need to calculate number of hours for each userID /day.

I.e UserID =1 DATE/Time= 11/12/2007 12:36 P.M CheckType=0
UserID = 1 DATE/Time= 11/12/2007 17:36 P.M CheckType=1
i am counting the day as being from 12:00 am till 11:59 pm

can anyone help please.
Dec 1 '07 #1
1 1961
puppydogbuddy
1,923 Expert 1GB
Hi,
I have an attendance machine which saves records in an Access Database in the following format : UserID DATE/TIME Checktype
where if checktype is 0 then its check in and if it is 1 then it check out

I need to calculate number of hours for each userID /day.

I.e UserID =1 DATE/Time= 11/12/2007 12:36 P.M CheckType=0
UserID = 1 DATE/Time= 11/12/2007 17:36 P.M CheckType=1
i am counting the day as being from 12:00 am till 11:59 pm

can anyone help please.
See the section on calculating elapsed time at this link (source code provided):

http://office.microsoft.com/en-us/ac...102181033.aspx
Dec 1 '07 #2

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