题解 | #查找在职员工自入职以来的薪水涨幅情况#
查找在职员工自入职以来的薪水涨幅情况
https://www.nowcoder.com/practice/fc7344ece7294b9e98401826b94c6ea5
select e.emp_no ,(s2.salary - s1.salary) growth from employees e JOIN salaries s1 ON e.emp_no = s1.emp_no AND e.hire_date = s1.from_date JOIN salaries s2 ON e.emp_no = s2.emp_no AND s2.to_date = '9999-01-01' order by growth