方法一:
思路:
先子查询出第二高的薪水,在查询出 salary = 第二高薪水的(emp_no ,salary)
代码:
select
emp_no,
salary
from
salaries
where
salary = (
select
salary
from
salaries
group by
salary
order by
salary desc
limit
1, 1
)



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