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
http://www.nowcoder.com/practice/fc7344ece7294b9e98401826b94c6ea5
答案:
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 //入职 join salaries s2 on e.emp_no=s2.emp_no and s2.to_date='9999-01-01' //在职最后一条工资记录 order by growth