题解 | #平均播放进度大于60%的视频类别#
平均播放进度大于60%的视频类别
https://www.nowcoder.com/practice/c60242566ad94bc29959de0cdc6d95ef
select r.tag, CONCAT(ROUND(SUM(avg_play) / COUNT(tag) * 100, 2), '%') avg_play_progress from ( select t2.tag, if(TIMESTAMPDIFF(SECOND, start_time, end_time)/duration>1,1,TIMESTAMPDIFF(SECOND, start_time, end_time)/duration) avg_play from tb_user_video_log t1 join tb_video_info t2 on t1.video_id=t2.video_id ) r group by r.tag having avg_play_progress >60 order by avg_play_progress desc
