inner join
查找当前薪水详情以及部门编号dept_no
http://www.nowcoder.com/questionTerminal/c63c5b54d86e4c6d880e4834bfd70c3b
select
s.emp_no, s.salary, s.from_date, s.to_date, d.dept_no
from
salaries as s
inner join
dept_manager as d
on s.emp_no = d.emp_no
order by s.emp_no 
