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>1,1,timestampdiff(second,start_time,end_time)/duration))*100,2),'%') as avg_jindu
from tb_user_video_log a
inner join tb_video_info b
on a.video_id=b.video_id
group by tag
having avg(if(timestampdiff(second,start_time,end_time)/duration>1,1,timestampdiff(second,start_time,end_time)/duration))>0.6
order by avg_jindu desc