摘要: -- 创建临时表存储查询出的数据 drop temporary table if exists childtable; create temporary table childtable (select * from tb_child a where (a.patriarch_id,a.studen 阅读全文
posted @ 2020-04-09 16:49 雨V幕 阅读(956) 评论(0) 推荐(0)