/SQL/How to get number of months between 2 dates sql server

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 -- =2

Source: stackoverflow.com

Similar codes

11 votes122 views3 answers
Python sqlite3 create table if not exists
SQL
1 vote132 views1 answer
Check current sequence value postgres
SQL
6 votes103 views4 answers
Eloquent to sql with bindings
SQL
3 votes140 views3 answers
Sql current year
SQL
2 votes112 views1 answer
Sql find missing values between two tables
SQL
0 vote111 views2 answers
Android sqlite tutorial for beginners
SQL
0 vote117 views1 answer
Show create table in postgresql
SQL
0 vote131 views1 answer
Mysql group by range
SQL
0 vote84 views2 answers
Delete the last item in a table sql
SQL
0 vote122 views1 answer
Python mysql executemany
SQL