题解 | 统计各个部门的工资记录数
统计各个部门的工资记录数
https://www.nowcoder.com/practice/6a62b6c0a7324350a6d9959fa7c21db3
select e.dept_no,
dept_name,
count(salary) as sum
from salaries s right join dept_emp e on s.emp_no = e.emp_no
right join departments d on d.dept_no = e.dept_no
group by
d.dept_no
order by
d.dept_no ASC;
投递饿了么等公司10个岗位 >
