https://leetcode.com/problems/second-highest-salary/ Second Highest Salary - LeetCode Level up your coding skills and quickly land a job. This is the best place to expand your knowledge and get prepared for your next interview. leetcode.com 두번째로 연봉이 높은 직원을 출력하는 문제입니다. 풀이 : rank over 윈도우 함수 사용 [Oracle 풀이] select sum(salary) as "SecondHighestSalary" from ( select salary, rank() over (order by sala..