题解 | #汇总各个部门当前员工的title类型的分配数目#
汇总各个部门当前员工的title类型的分配数目
https://www.nowcoder.com/practice/4bcb6a7d3e39423291d2f7bdbbff87f8
select a.dept_no,dept_name,title ,count(*) from dept_emp as a inner join titles as b on a.emp_no=b.emp_no inner join departments as c on a.dept_no =c.dept_no group by a.dept_no ,title,dept_name order by a.dept_no ,title
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