题解 | 统计出当前各个title类型对应的员工当前薪水对应的平均工资
统计出当前各个title类型对应的员工当前薪水对应的平均工资
https://www.nowcoder.com/practice/c8652e9e5a354b879e2a244200f1eaae
select title,
avg(s.salary)
from titles t left join salaries s on t.emp_no = s.emp_no
group by
title
order by
avg(s.salary) ASC;
