题解 | #查找当前薪水详情以及部门编号dept_no#
查找当前薪水详情以及部门编号dept_no
https://www.nowcoder.com/practice/c63c5b54d86e4c6d880e4834bfd70c3b
SELECT d.emp_no, d.salary, d.from_date, d.to_date, de.dept_no FROM salaries d LEFT JOIN dept_manager de ON d.to_date = de.to_date AND d.emp_no = de.emp_no WHERE de.emp_no IS NOT NULL