题解 | #查询每个公司查看过的投递用户数#
查询每个公司查看过的投递用户数
https://www.nowcoder.com/practice/3e40ce574a484b64b88781ac0b1340e8
SELECT j.company_id, SUM(d.resume_if_checked) AS cnt FROM job_info AS j LEFT JOIN deliver_record AS d ON j.job_id = d.job_id WHERE d.resume_if_checked > 0 GROUP BY j.company_id ORDER BY j.company_id
，这个代码不商用是没问题的
查看4道真题和解析