YYYYWWD to YYYYMMDD - SQL Server Forums

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YYYYWWD to YYYYMMDD

Author

Topic

KalleS
Starting Member

1 Post

Posted - 2013-10-25 : 08:46:54

Hi,

I would like to convert a strange date format (YYYYWWD) to YYYYMMDD, anyone know how to solve this?

visakh16
Very Important crosS Applying yaK Herder

52326 Posts

Posted - 2013-10-25 : 08:59:08

yep. see this example


DECLARE @Date int
SET @Date = 2013034 --(2013 3rd week 4th day)

SELECT DATEADD(dd,(@Date%10)-1,DATEADD(wk,DATEDIFF(wk,0,DATEADD(yy,(@Date/1000)-1900,0))+((@Date%1000)/10)-1,0))

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SwePeso
Patron Saint of Lost Yaks

30421 Posts

Posted - 2013-10-25 : 14:49:57

What constitutes a week? Which weekday number correlated to which weekday?

Microsoft SQL Server MVP, MCT, MCSE, MCSA, MCP, MCITP, MCTS, MCDBA

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