题解 | 获取当前薪水第二多的员工的emp_no以及其对应的薪水salary
with tmp as ( select t1.emp_no,t2.maxsal_2 as salary from salaries as t1 inner join (select max(salary) as maxsal_2 from salaries where salary < (select max(salary) as maxsal_1 from salaries)) as t2 on t1.salary = t2.maxsal_2) select t1.emp_no,t1.salary,t2.last_name,t2.first_name from tmp as t1 inner join employees as t2 on t1.emp_no = t2.emp_no;