Saturday, December 18, 2010

SQL DATEADD Function


Returns a new datetime value based on adding an interval to the specified date.

SQL DATEADD Syntax
DATEADD ( datepart , number, date )


DECLARE @DateNow DATETIME
SET @DateNow='2007-06-04'
SELECT DATEADD(Year, 3, @DateNow) AS NewDate

Return Value = 2010-06-04 00:00:00.000


SELECT DATEADD(quarter, 3, @DateNow) AS NewDate
Return Value = 2008-03-04 00:00:00.000


SELECT DATEADD(Month, 3, @DateNow) AS NewDate
Return Value = 2007-09-04 00:00:00.000


SELECT DATEADD(dayofyear,3, @DateNow) AS NewDate
Return Value = 2007-06-07 00:00:00.000


SELECT DATEADD(Day, 3, @DateNow) AS NewDate
Return Value = 2007-06-07 00:00:00.000


SELECT DATEADD(Week, 3, @DateNow) AS NewDate
Return Value = 2007-06-25 00:00:00.000


SELECT DATEADD(Hour, 3, @DateNow) AS NewDate
Return Value = 2007-06-04 03:00:00.000


SELECT DATEADD(minute, 3, @DateNow) AS NewDate
Return Value = 2007-06-04 00:03:00.000


SELECT DATEADD(second, 3, @DateNow) AS NewDate
Return Value = 2007-06-04 00:00:03.000


SELECT DATEADD(millisecond, 3, @DateNow) AS NewDate

Return Value = 2007-06-04 00:00:00.003


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