摘要: 建表:create table studentinfo( name varchar(20) , subject varchar(20), score number(3,1));插入记录:insert into studentinfo values('张三','语文',69);insert into ... 阅读全文
posted @ 2015-11-20 16:55 caobotao 阅读(243) 评论(0) 推荐(0) 编辑