题解 | #实习广场投递简历分析(二)#
实习广场投递简历分析(二)
http://www.nowcoder.com/practice/d323a4c97d1945e0aabe94e4d0bbb25d
条件运算符
> 、< 、<= 、>= 、= 、<>
BETWEEN...AND
IN( 集合)
LIKE：模糊查询
占位符：
_:单个任意字符
%：多个任意字符
IS NULL
and 或 &&
or 或 ||
not 或 !SELECT job,DATE_FORMAT(date,"%Y-%m") as mon,sum(num) as cnt
from resume_info
where date like '2025%'
GROUP BY job,mon
order by mon desc,cnt desc
