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#1
May 30th, 2004, 02:25 AM
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Subtracting dates
Hello everyone. Simple question. How do you subtract dates? I created the following statement:
Code:
Select Employee_ID, (Clock_Out_Date - Clock_In_Date) days From Employee; This statement works fine but when I try to do something like this: Code:
Select Employee_ID, (Clock_Out_Date - Clock_In_Date) days From Employee Where days > 11; I get a message that it can't find the column and it won't work. What I really want to do though is find the longest date (or max). Anyone have suggestions?
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#4
June 2nd, 2004, 01:48 PM
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Misread the question
Code:
Select Employee_ID, (Clock_Out_Date - Clock_In_Date) days From Employee Where (Clock_Out_Date - Clock_In_Date) > 11; You can't use the Alias in Where, group by or order by S-
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