摘要: create table t_a ( c1 integer , c2 integer, c3 integer, sub_id_a integer);create table t_b ( sub_id_b integer, part_num varchar(10));i... 阅读全文
posted @ 2016-11-22 12:32 yuerspring 阅读(208) 评论(0) 推荐(0) 编辑