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t-sql date help

I need help on t-sql date:

I have this: DATEDIFF(DAY,StartDate, getdate())  =  '14' to find the startdate is 14 days pass.

 then I also need to find those that occur every 7 days thereafter, etc 21 days, 28 days, 35 days

Can someone please help?

Thank you!!
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jfreeman2010
Asked:
jfreeman2010
2 Solutions
 
mcsweenSr. Network AdministratorCommented:
WHERE (datediff(day,StartDate,getdate()) % 7 = 0)

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This will get any where the result from your datediff function divides evenly by 7
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tim_csCommented:
How about something like this.

WHERE
   DATEDIFF(DAY,startDate,getdate()) = 14 OR (DATEDIFF(DAY,startDate,getdate())  > 14 AND DATEDIFF(DAY,startDate,getdate())%7 = 0)
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jfreeman2010Author Commented:
yes, it works.  Thank you very much!!
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