一、第一种方法:排序+分组
SELECT * FROM employees ORDER BY hire_date DESC LIMIT 0,1;
二、第二种方法:子查询
SELECT * FROM employees WHERE hire_date=( SELECT MAX(hire_date) FROM employees );
SELECT * FROM employees ORDER BY hire_date DESC LIMIT 0,1;
SELECT * FROM employees WHERE hire_date=( SELECT MAX(hire_date) FROM employees );