摘要: mysql:常用代码 create table CeShi1( Uid varchar(50) primary key, Pwd varchar(50), Name varchar(50), Nation varchar(50), foreign key(Nation) references Nat 阅读全文
posted @ 2016-04-19 16:31 随亦 阅读(144) 评论(0) 推荐(0) 编辑