sql删除重复数据
2015-08-06 19:22
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--删除重复数据
delete from PMS_Contract_LeasedRoom where
LeasedRoomId not in
(select max(LeasedRoomId) from PMS_Contract_LeasedRoom group by ContractCode,RoomCode)
--having count(*)>1)
delete from PMS_Contract_LeasedRoom where
LeasedRoomId not in
(select max(LeasedRoomId) from PMS_Contract_LeasedRoom group by ContractCode,RoomCode)
--having count(*)>1)
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