1.sql 查询和删除多条字段的重复语句
查询
select a.* from Base_UserDeptRole a inner join( select DeptRoleId,UserId from Base_UserDeptRole(表) group by DeptRoleId,UserId having count(*)>1) tem on tem.UserId=a.UserId and tem.DeptRoleId=a.DeptRoleId
删除
select distinct DeptRoleId,UserId into #Tmp from Base_UserDeptRole(表) delete Base_UserDeptRole insert into Base_UserDeptRole ( Id,DeptRoleId,UserId,CreatedOn,CreatedById,ModifiedOn,ModifiedById ) select NEWID(),temp.DeptRoleId,temp.UserId,GETDATE(),‘00000000-0000-0000-0000-000000000001‘,GETDATE(),‘00000000-0000-0000-0000-000000000001‘ from #Tmp temp
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