查找员工编号emp_no为10001其自入职以来的薪水salary涨幅值growth

题目描述

查找员工编号emp_no为10001其自入职以来的薪水salary涨幅值growth
CREATE TABLE `salaries` (
`emp_no` int(11) NOT NULL,
`salary` int(11) NOT NULL,
`from_date` date NOT NULL,
`to_date` date NOT NULL,
PRIMARY KEY (`emp_no`,`from_date`));

输入描述:

无

输出描述:

growth
28841

 

 

 

1 select max(salary) - min(salary) from salaries where emp_no = 10001