在数据库中某表中,存在着些相同的记录,如何能用SQL语句,删除掉重复的呢1、查找表中多余的重复记录，重复记录是根据单个字段（peopleId）来判断select * from peoplewhere peopleId in (select peopleId from people group ...

select user_id from dt_orders where datatype=10 and status=3 group by user_id having count(*)>1 ...

1、查询表中重复数据。select * from people where peopleId in (select peopleId from people group ...

having count(*) > 1) 2.查询出所有数据进行分组之后，和重复数据的重复次数的 ...

sql查询数据库表中重复数值 -- 查询表中id重复的值select id from 表名 group by id having count(*) > 1 --查询表中的重复记录，重复记录是根据id重复做判定select * from 表名 where id in(select id ...

select train_code,count(1) from tb_ask_trainbodyroadtrain group by train_code having count(1) >1 ...

select * from tablename where id in (select id from tablename group by id having count(id) > 1) ...

select * from (SELECT titleid,count(titleid) c FROM [DragonGuoShi].[dbo].[ArticleInfo] group by tit ...