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
http://www.nowcoder.com/practice/4bcb6a7d3e39423291d2f7bdbbff87f8
select distinct dept_emp.dept_no, dept_name,titles.title, count(dept_emp.emp_no)
from dept_emp left join titles on dept_emp.emp_no=titles.emp_no
left join departments on dept_emp.dept_no=departments.dept_no
group by dept_emp.dept_no, titles.title
order by dept_emp.dept_no asc, titles.title asc
from dept_emp left join titles on dept_emp.emp_no=titles.emp_no
left join departments on dept_emp.dept_no=departments.dept_no
group by dept_emp.dept_no, titles.title
order by dept_emp.dept_no asc, titles.title asc
投递Oracle等公司6个岗位 >