select * from (select * from where course order by cid desc)
t
where rowunm<4
括号内的子查询没有表,你怎么找???
select * from (select * from course order by cid desc) where rowunm<4;
二楼答的对,子查询没有表
select * from (select * from !表名! where course order by cid desc) where rowunm<4;
没表肿么找?