题解 | #推荐内容准确的用户平均评分#
推荐内容准确的用户平均评分
https://www.nowcoder.com/practice/2dcac73b647247f0aef0b261ed76b47e
select avg(distinct score) avg_score from user_action_tb a join recommend_tb b on a.user_id=b.rec_user where a.hobby_l=b.rec_info_l
推荐内容准确的用户平均评分
https://www.nowcoder.com/practice/2dcac73b647247f0aef0b261ed76b47e
select avg(distinct score) avg_score from user_action_tb a join recommend_tb b on a.user_id=b.rec_user where a.hobby_l=b.rec_info_l
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