GetDateTime Function

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GetDateTime Function

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Atd

Posted Thursday, July 23, 2009 10:56 AM

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Comments posted to this topic are about the item GetDateTime Function

Post #758439

Pratap Prabhu

Posted Thursday, July 30, 2009 7:45 AM

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Hi,

Try this instead, works just as well. Basically I insert a space between the Date and the time and a : between the hours and the minutes


declare @DtStr varchar(20)
set @DtStr='200907011020'
select convert(datetime,substring(@DtStr,1,8)+' '+substring(@DtStr,9,2)+':'+substring(@DtStr,11,2))

Post #762408

Jeff Moden

Posted Thursday, July 30, 2009 9:58 AM

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Ummm... CONVERT is relatively expensive and so are all of the substrings not to mention the use of a UDF...

SELECT CAST(STUFF(STUFF('200907111400',11,0,':'),9,0,' ') AS DATETIME)

--Jeff Moden

"RBAR is pronounced "ree-bar" and is a "Modenism" for "Row-By-Agonizing-Row".

First step towards the paradigm shift of writing Set Based code:
Stop thinking about what you want to do to a row... think, instead, of what you want to do to a column."

For better, quicker answers on T-SQL questions, click on the following...
http://www.sqlservercentral.com/articles/Best+Practices/61537/

For better answers on performance questions, click on the following...
http://www.sqlservercentral.com/articles/SQLServerCentral/66909/

Post #762545

Atd

Posted Thursday, July 30, 2009 11:18 AM

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tks to all. both suggestions are good.

Post #762611

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