摘要: 1.创建表test1删除主键插入employees表中的10000行数据 mysql> create table test1 like employees; mysql> alter table test1 drop primary key; mysql> insert into test1 sel 阅读全文
posted @ 2018-09-04 21:31 Warden_king 阅读(426) 评论(0) 推荐(0)