摘要: ->前往做题<- 一、查询结果去重 distinct select distinct university from user_profile; 二、查询结果排序 order 查找后按照某一列排序 select device_id, age from user_profile order by ag 阅读全文
posted @ 2022-03-27 14:52 aJream 阅读(144) 评论(0) 推荐(0) 编辑