2018年6月1日
Mysql触发器
摘要： create trigger tapp_trigger after update on business FOR EACH ROW begin set @count = (select count(*) from temp where business_id = old.id); set @Differ = (SELECT sum(TIMESTAMPDIFF(minute , create_... 阅读全文
posted @ 2018-06-01 13:21 dream_on_sakura_rain 阅读(158) 评论(0) 推荐(0) 编辑