这个SQL语句如何写?面试遇到的题目! select * from t awhere name in(select top 2 name from t where id=a.id order by name )order by id,name 解决方案 » 免费领取超大流量手机卡,每月29元包185G流量+100分钟通话, 中国电信官方发货 select * from t awhere name in(select top 2 name from t where ltrim('id',6)=ltrim('a.id',6) order by name )order by 'id',name select * from product awhere name in(select top 2 name from product where id=a.id order by name)order by name select * from product awhere name in (select top 2 name from product where id=a.id order by name)order by name select id,name from product as t1where ((select count(*) from product where id=t1.id and name<=t1.name)<=2) 再求 sql 语句!!! 怎样以另一个表的数据为条件UPDATE sql,重复记录问题 如果数据库里面的数据量超过300W条时候该怎么优化? 我是菜鸟,急求一SQL语句,在线等,立即给分! 如何把一个表的特定一条记录剪切到另外一个表? ★★★请问这个select语句怎么写?? 高分请教,来者有分! (第2帖) 一个关于表建索引的问题,不知道应怎么建好??? 請問事務的作用範圍? 高分求助:一个棘手的sql语句 关于合并的sql难题,请爱新觉罗兄看看,谢谢
where name in(select top 2 name from t where ltrim('id',6)=ltrim('a.id',6) order by name )
order by 'id',name
where name in(select top 2 name from product where id=a.id order by name)
order by name
from product a
where name in
(select top 2 name
from product
where id=a.id order by name)
order by name
where ((select count(*) from product
where id=t1.id and name<=t1.name)<=2)