排序(默认:asc升序; desc降序
如:根据成绩从高到低排序
select * from stu_info order by mark desc;
根据成绩从低到高排序
select * from stu_info order by mark asc;
posted on 2017-08-08 21:23 小明在线 阅读(145) 评论(0) 编辑 收藏 举报