摘要: 1.简单查询 select * from info; select Code as '代号',name as '姓名' from info; 2.条件查询 select * from car where code = 'c002'; select * from car where brand ='b 阅读全文
posted @ 2016-05-27 05:05 雍家培 阅读(2070) 评论(0) 推荐(0) 编辑