在數據庫中某表中,存在着些相同的記錄,如何能用SQL語句,刪除掉重復的呢1、查找表中多余的重復記錄，重復記錄是根據單個字段（peopleId）來判斷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、查詢表中重復數據。select * from people where peopleId in (select peopleId from people group ...

having count(*) > 1) 2.查詢出所有數據進行分組之后，和重復數據的重復次數的 ...

sql查詢數據庫表中重復數值 -- 查詢表中id重復的值select id from 表名 group by id having count(*) > 1 --查詢表中的重復記錄，重復記錄是根據id重復做判定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 ...