06 2015 档案

摘要:select *from student where id not in(select id from student where rownum <=5)and rownum <=15 order by idselect *from student where rownum <=10 minus s... 阅读全文
posted @ 2015-06-05 10:20 beyondyour 阅读(144) 评论(0) 推荐(0)