摘要: 表格代码 create table student ( sno varchar(20) primary key, sname varchar(20) not null, ssex varchar(20) not null, sbirthday datetime, class varchar(20) 阅读全文
posted @ 2016-05-27 21:48 哔哩哔哩干杯 阅读(359) 评论(0) 推荐(0) 编辑