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
没有用到第一个表好像也可以,解法如下:
select t1.emp_no,(t2.x-t1.n) growth from (select emp_no,min(from_date),min(salary) n from salaries group by emp_no) t1 join (select emp_no,max(salary) x from salaries where to_date='9999-01-01' group by emp_no) t2 on t1.emp_no=t2.emp_no order by growth
