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 user.video_id, round(sum(case when (end_time-start_time)>=duration then 1 else 0 end )/count(*),3) as avg_comp_play_rate from tb_user_video_log user join tb_video_info vid on user.video_id=vid.video_id where year(start_time)=2021 group by user.video_id order by avg_comp_play_rate desc
投递荣耀终端等公司7个岗位 >