Select From 表 Where 重复字段 In (Select 重复字段 From 表 Group By 重复字段 Having Count()>1)
2、过滤重复记录(只显示一条)
Select * From HZT Where ID In (Select Max(ID) From HZT Group By Title)
二、删除重复记录
1、删除全部重复记录(慎用)
Delete 表 Where 重复字段 In (Select 重复字段 From 表 Group By 重复字段 Having Count(*)>1)
2、保留一条
Delete HZT Where ID Not In (Select Max(ID) From HZT Group By Title)