题解 | 平均播放进度大于60%的视频类别

select tag,concat(round(avg(if(timestampdiff(second,start_time,end_time) >= duration,1,timestampdiff(second,start_time,end_time)/duration))*100,2),'%') avg_play_progress
from tb_user_video_log tuvi
join tb_video_info tvi
on tuvi.video_id = tvi.video_id
group by tag
having avg(if(timestampdiff(second,start_time,end_time) >= duration,1,timestampdiff(second,start_time,end_time)/duration)) > 0.6
order by avg_play_progress desc