题解 | #话题的分布情况#
话题的分布情况
https://www.nowcoder.com/practice/3f0d5c83b48b450888921b6189be288f
select substring_index(substring_index(subject_set,',',2),',',1)
subject_id1,count(subject_set) cnt
from comment_detail
where substring_index(substring_index(subject_set,',',2),',',-1) ='1002'
group by subject_id1;
投递快手等公司10个岗位
