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05 2020 档案

处理mysql先排序在分组
摘要：--方法一，仅适用于低于5.7版本的MySql-- select * from (select * from shop order by price desc) a GROUP BY a.shop_name; --方法二-- select * from (select * from shop ord 阅读全文

posted @ 2020-05-06 15:29 qxandxt 阅读(578) 评论(0) 推荐(0)