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SQL Date with minimum time and like date with maximum time

Posted on 2013-06-19
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Last Modified: 2013-06-19
If I enter dates into a parameter and both dates are the same how can I make one of the dates the minimum value for that date so 00:00 and the end date 23:59.

so
BETWEEN @StartDate AND @EndDate

I know its likely to be simple but I just cant figure it.

Regards
S
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Question by:SimonJohnG
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4 Comments
 
LVL 49

Accepted Solution

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PortletPaul earned 2000 total points
ID: 39259503
don't use between

use this instead

[field] >= @StartDate AND [field] < dateadd(day,1,@EndDate)

so, if the parameters are both '2013-06-01'

this equates to:
[field] >= '2013-06-01' AND [field] < dateadd(day,1,'2013-06-01') -- i.e. '2013-06-02'

If the parameters are '2013-06-01' & '2013-06-30'

this equates to:
[field] >= '2013-06-01' AND [field] < dateadd(day,1,'2013-06-30') -- i.e. '2013-07-01'

avoiding "between" is the solution.
for more on this topic please see: "Beware of Between"
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Author Comment

by:SimonJohnG
ID: 39259572
Thank you for your help, works great.

Regards
Simon
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Author Closing Comment

by:SimonJohnG
ID: 39259580
Fantastic reponse time and clear and precise explaination. Thank you
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LVL 49

Expert Comment

by:PortletPaul
ID: 39261034
and thank you! Quick closures is very much appreciated too.

Do take be cautious of using 'between' when filtering by date ranges, the >= with < construct is usually a more reliable method (You just need to get used to the idea that the higher date is 'the next day'). Do read that article if you need more.

Cheers, Paul
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