#SELECT *
#FROM employees
#WHERE hire_date=(SELECT max(hire_date) FROM employees)
#注意最晚入职员工可能不止一个,因此不能用ORDER BY 来直接找最后一行,可以用WHERE加子查询和MAX函数找到最晚入职日期,并筛选出对应员工,如果硬要用ORDER BY 的话 也可以用 (SELECT distinct hire_date FROM employees ORDER BY hire_date DESC LIMIT 1)
SELECT *
FROM employees
WHERE hire_date=(SELECT distinct hire_date FROM employees ORDER BY hire_date DESC LIMIT 1)