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查找入职员工时间排名倒数第三的员工所有信息
http://www.nowcoder.com/questionTerminal/ec1ca44c62c14ceb990c3c40def1ec6c
方案一
- 同上一条
select * from employees a where a.hire_date in ( select distinct hire_date from employees order by hire_date desc limit 2,1 )
方案二
- 有漏洞
select * from employees order by hire_date desc limit 2,1
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