ID Zip Room ----------- ---------- ------ 317 94087 S105 318 94087 L603 1739 94404-1801 L603 1823 94401-2129 L603 1824 94401-2129 L603 2135 94404-1801 L603 2268 95136-1459 S604 2269 95136-1459 S604 3704 92673-6417 L402 4479 93454-9670 L402 4480 93454-9670 L402 4782 92395-4681 L402 4783 92395-4681 L402 4852 92886-4411 L402 4853 92886-4411 L402 4959 92673-6417 L402 5153 91773-4028 L402 5202 91773-4028 L402 5211 91765-2959 L402 5212 91765-2959 L402 5388 92336-0605 L402 5392 92336-0605 L402 5727 92870 L402 5728 92870 L402 5831 92557 L402 5916 92557 L402
如何选择具有相同拉链但房间不同的ID?
在上表中,我希望结果为:
ID Zip Room ----------- ---------- ------ 317 94087 S105 318 94087 L603
使用SQL Server 2008
您可以使用EXISTS:
EXISTS
SELECT ID, Zip, Room FROM dbo.Table t1 WHERE EXISTS ( SELECT 1 FROM dbo.Table t2 WHERE t2.Zip = t1.Zip AND t2.Room <> t1.Room )