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
t.title,
AVG(s.salary) AS avg_salary
FROM
titles t
JOIN salaries s ON t.emp_no = s.emp_no
GROUP BY
t.title
ORDER BY
avg_salary;
