摘要: create table tb(id int, value varchar(10)) insert into tb values(1, 'aa') insert into tb values(1, 'bb') insert into tb values(2, 'aaa') insert into t... 阅读全文
posted @ 2014-12-03 23:04 陈意 阅读(221) 评论(0) 推荐(0) 编辑