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(ls/duration *100,2),'%') as avg_play_progress
from
(
select b.tag,b.duration,
avg(TIMESTAMPDIFF(SECOND,start_time,end_time)) ls
from
tb_user_video_log a
inner join tb_video_info b on a.video_id = b.video_id
where year(start_time) ='2021'
group by b.tag,b.duration
) tmp
where ls/duration>0.6
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