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
select * from employees a where a.hire_date in ( select distinct hire_date from employees order by hire_date desc limit 2,1 )
select * from employees order by hire_date desc limit 2,1