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
-- 各类视频 的平均播放进度
select
tag,
concat(round(avg(if(timestampdiff(second,start_time,end_time) >= duration,duration,timestampdiff(second,start_time,end_time))/duration*100),2),'%') as avg_play_progress
from tb_user_video_log u
join tb_video_info v using(video_id)
group by tag
-- 筛选进度大于60%
having replace(avg_play_progress,'%','') > 60
order by avg_play_progress desc;
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