Select * From 数据表 Where 数据项1 In (Select 数据项1 From 数据表 Group By 数据项1 Having AND 数据项2 In (Select 数据项2 From 数据表 Group By 数据项2 Having Count(*)>1)
AND 数据项3 In (Select 数据项3 From 数据表 Group By 数据项3 Having Count(*)>1)
Select * From 表 Where 数据项1 In (Select 数据项1 From 表 Group By 数据项1 Having Count(*)>1) AND数据项2 In (Select 数据项2 From 表 Group By 数据项2 Having Count(*)>1) AND 数据项3 In (Select 数据项3 From 表 Group By 数据项3 Having Count(*)>1)
