calculating 90 days after date of birth

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SQL-Server-2008R2

I'm very new to SQL and need to know the following. On my excel spreadsheet I have patients with uniqueIDs and their date of birth(DOB).

How can I write a query with the new column that has 90 days after their 1st birthday?

EX: if the patient's DOB is 4/23/2012, the outcome should be 7/22/2013.

Thanks!

Posted 30-Jun-14 8:47am

Member 10914453

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[no name] 30-Jun-14 14:58pm

Just a little bit of research...http://msdn.microsoft.com/en-us/library/ms186819.aspx

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member33 · Accepted Answer · 2014-06-30T09:02:00

Solution 1

dateadd(dd,90,cast(dob as datetime))

missed the 1st birthday part

here is the answer

dateadd(dd,90,dateadd(yy,1,cast(dob as datetime)))

Posted 30-Jun-14 9:02am

member33

Updated 1-Jul-14 4:12am

v2