题解 | #获取当前薪水第二多的员工
获取当前薪水第二多的员工的emp_no以及其对应的薪水salary
https://www.nowcoder.com/practice/c1472daba75d4635b7f8540b837cc719
select a.emp_no,b.salary,a.last_name,a.first_name
from employees a
left join salaries b
on a.emp_no = b.emp_no
where b.salary = (
select max(salary)
from salaries
where salary <> (select max(salary) from salaries))
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