题解 | #查找入职员工时间排名倒数第三的员工所有信息#
查找当前薪水详情以及部门编号dept_no
http://www.nowcoder.com/practice/c63c5b54d86e4c6d880e4834bfd70c3b
法1.
select * from (select * from employees order by hire_date desc limit 3 ) order by hire_date limit 1;
法2.
select * from employees order by hire_date desc limit 2,1
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