摘要: 测试数据: create table test(value int not null) -----drop table test insert into test (value)select 2union allselect 3union allselect 2union allselect 7union allselect 6union allselect 3union allselect... 阅读全文
posted @ 2013-04-02 11:37 忙碌在路上 阅读(1495) 评论(0) 推荐(0) 编辑