发布时间：2015-06-30 11:33:32
create table with1 ( id int, name char(10));
create table with2 ( id int, name char(10));
create table with3 ( id int, name char(10));
create table with4 ( id int, name char(10));
insert into with1 values ( 1, 'a') ;
insert into with2 values ( 1, 'a') ;.........【阅读全文】
