摘要:
高级查询: 1.连接查询 select * from Info,Nation #得出的结果称为笛卡尔积select * from Info,Nation where Info.Nation = Nation.Code join on连接 select * from Info join Nation 阅读全文
摘要:
C/S:Client ServerB/S:Brower Server php主要实现B/S .net IIS java TomCat LAMP: Linux系统 A阿帕奇服务器 Mysql数据库 Php语言 mysql:常用代码 create table CeShi1( Uid varchar(50 阅读全文