题解 | #各个视频的平均完播率#
各个视频的平均完播率
https://www.nowcoder.com/practice/96263162f69a48df9d84a93c71045753
select t1.video_id ,round(sum(case when timestampdiff(second,start_time,end_time) >= duration then 1 else 0 end)/count(*),3) avg_comp_play_rate from tb_user_video_log t1 left join tb_video_info t2 on t1.video_id = t2.video_id where year(start_time) = '2021' group by t1.video_id order by avg_comp_play_rate desc;
腾讯公司福利 674人发布
那就小心你的腰子咯
