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jfha73
Starting Member
5 Posts |
 Posted - 2009-04-23 : 11:30:44
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| How do I accomplish this? I need to substract time from a datetime field.Thanks in advance |
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SwePeso
Patron Saint of Lost Yaks
30421 Posts |
Posted - 2009-04-23 : 12:21:38
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SELECT DATEADD(DAY, DATEDIFF(DAY, 0, Col1), 0)FROM Table1
E 12°55'05.63"N 56°04'39.26" |
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jfha73
Starting Member
5 Posts |
Posted - 2009-04-23 : 15:25:57
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| Where should i put the number of hours I want to substract? |
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SwePeso
Patron Saint of Lost Yaks
30421 Posts |
Posted - 2009-04-23 : 15:28:18
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SELECT DATEADD(HOUR, -@HoursToSubstract, Col1)FROM Table1
E 12°55'05.63"N 56°04'39.26" |
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jfha73
Starting Member
5 Posts |
Posted - 2009-04-23 : 15:31:08
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| anyway, I tried changing the zeros, but the column with the time that i want to change stays the same. |
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SwePeso
Patron Saint of Lost Yaks
30421 Posts |
Posted - 2009-04-23 : 15:34:58
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Please post some sample data, some code you tried this far.Also post your expected output.Remember, we don't sit at your office and have access to your data.
E 12°55'05.63"N 56°04'39.26" |
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jfha73
Starting Member
5 Posts |
Posted - 2009-04-23 : 15:41:42
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| That last one worked, thanks. |
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Substract time to datetime field