如题:
.............................................
------解决方案--------------------
DECLARE @a DATETIME
DECLARE @b DATETIME
SET @a ='2014-03-18'
SET @b='2014-03-23'
SET DATEFIRST 1
SELECT DATEPART(week,@a),DATEPART(week,@b)
/*
----------- -----------
12 12
(1 行受影响)
*/