mysql中on有时有筛选的功能
摘要：
leetcode中行程和用户 SELECT request_at as 'Day', round(avg(Status!='completed'), 2) as 'Cancellation Rate'FROM trips t JOIN users u1 ON (t.client_id = u1.us 阅读全文
posted @ 2023-04-05 07:43 静静的白桦林_andy 阅读(20) 评论(0) 推荐(0) 编辑
