CREATE FUNCTION fun_plus(@a INT)
RETURNS BIGINT
AS
BEGIN
DECLARE @b BIGINT
SET @b = 1
WHILE @a > 1
BEGIN
SET @b = @b * @a
SET @a = @a - 1
END
RETURN(@b)
END
CREATE FUNCTION fun_plus(@a INT) RETURNS BIGINT AS BEGIN DECLARE @b BIGINT SET @b = 1 WHILE @a > 1 BEGIN SET @b = @b * @a SET @a = @a - 1 END RETURN(@b) END