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
FROM salaries s
JOIN titles t
ON s.emp_no = t.emp_no
GROUP BY t.title
ORDER BY avg ASC;
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