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 tag, concat(rate1,'%') as avg_play_progress from ( select tag, round(sum(if(timestampdiff(second,start_time,end_time)>=duration,duration,timestampdiff(second,start_time,end_time)))/sum(duration)*100,2) as rate1 from tb_user_video_log tu left join tb_video_info tv on tu.video_id = tv.video_id group by tag having rate1 > 60 )t0 order by avg_play_progress desc