题解 | 84#实习广场投递简历分析(一)#
实习广场投递简历分析(一)
http://www.nowcoder.com/practice/f5fc21a0630b4ca6a25ea3a48054ef47
select job,sum(num) cnt from resume_info where date>='2025-01-01' and date<='2025-12-31' group by job order by cnt desc
思路:对num进行一个求和,对job进行分组,排序也按求和后的cnt
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