摘要：
解决方案：create table t_20120512_a (id varchar2(6) primary key,cost number(3),p2 number(3),p3 number(3))/create table t_20120512_b(id varchar2(6) primary key,name varchar2(50),b varchar2(100))/insert into t_20120512_a values ('100',1,1,1);insert into t_20120512_a values ('101001',2,2,2); 阅读全文
