请问高手,我想查询即有重复字段1和重复字段2还有重复字段3,怎么连起来啊? Select * From 表 Where 重复字段1 In (Select 重复字段1 From 表 Group By 重复字段1 Having Count(*)>1) Select * From 表 Where 重复字段2 In (Select 重复字段2 From 表 Group By 重复字段2 Having Count(*)>1) Select * From 表 Where 重复字段3 In (Select 重复字段3 From 表 Group By 重复字段3 Having Count(*)>1)