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(round(avg(avg_vedio_progress)*100,2),'%') avg_play_progress from( select t.video_id,tag,if(timestampdiff(second,start_time,end_time)/duration>=1,1,(timestampdiff(second,start_time,end_time)/duration)) avg_vedio_progress from tb_user_video_log t left join tb_video_info v on t.video_id=v.video_id ) p group by tag having avg(avg_vedio_progress)>0.6 order by avg_play_progress desc