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(salary) as sal
from
titles
inner join salaries on titles.emp_no = salaries.emp_no
group by title
order by sal asc
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