摘要: 建立表结构如下:create table x.a (a1 int, a2 varchar(10));create table x.b (b1 int, b2 varchar(10));create table x.c (c1 int, c2 varchar(10));insert into x.a ... 阅读全文
posted @ 2015-04-09 10:40 rookie_d 阅读(1562) 评论(0) 推荐(0) 编辑