题解 | #实习广场投递简历分析(一)#

select job,sum(num) as cnt from resume_info where year(date)=2025
group by job 
order by cnt desc

1.首先限定条件 2025年内投递简历的岗位和数量，

where year(date)=2025

2.对岗位进行分组求和

select job,sum(num) as cnt from resume_info where year(date)=2025

group by job

3.最后以岗位数量降序排序

order by cnt desc

综合，select job,sum(num) as cnt from resume_info where year(date)=2025

group by job

order by cnt desc