DECLARE @Result nvarchar(max)
SELECT @Result = ISNULL(@Result + '$','') +
CAST(ISNULL(IDa,IDc) AS VARCHAR(5)) + ',' +
CAST(ISNULL(IDb,IDd) AS VARCHAR(5))
FROM T1 FULL OUTER JOIN T2
ON T1.IDa = T2.IDc AND T1.IDb = T2.IDd
WHERE T1.IDa IS NULL OR T2.IDc IS NULL
编辑当然如果$
和,
不需要只是使用
SELECT ISNULL(IDa,IDc), ISNULL(IDb,IDd)
FROM T1 FULL OUTER JOIN T2
ON T1.IDa = T2.IDc AND T1.IDb = T2.IDd
WHERE T1.IDa IS NULL OR T2.IDc IS NULL
或者另一种方式,只是踢(MS SQL Server的2005+)
SELECT IDa, IDb from T1
EXCEPT
SELECT IDc, IDd from T2
UNION ALL
(
SELECT IDc, IDd from T2
EXCEPT
SELECT IDa, IDb from T1
)
好努力,谢谢 – RMohammed 2010-07-01 09:08:58