sql get number of days between two dates
DATEDIFF(DAY, '1/1/2011', '3/1/2011')sql get number of days between two dates
DATEDIFF(DAY, '1/1/2011', '3/1/2011')How to get number of months between 2 dates sql server
CREATE FUNCTION FullMonthsSeparation
(
@DateA DATETIME,
@DateB DATETIME
)
RETURNS INT
AS
BEGIN
DECLARE @Result INT
DECLARE @DateX DATETIME
DECLARE @DateY DATETIME
IF(@DateA < @DateB)
BEGIN
SET @DateX = @DateA
SET @DateY = @DateB
END
ELSE
BEGIN
SET @DateX = @DateB
SET @DateY = @DateA
END
SET @Result = (
SELECT
CASE
WHEN DATEPART(DAY, @DateX) > DATEPART(DAY, @DateY)
THEN DATEDIFF(MONTH, @DateX, @DateY) - 1
ELSE DATEDIFF(MONTH, @DateX, @DateY)
END
)
RETURN @Result
END
GO
SELECT dbo.FullMonthsSeparation('2009-04-16', '2009-05-15') as MonthSep -- =0
SELECT dbo.FullMonthsSeparation('2009-04-16', '2009-05-16') as MonthSep -- =1
SELECT dbo.FullMonthsSeparation('2009-04-16', '2009-06-16') as MonthSep -- =2Copyright © 2021 Codeinu
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