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Leetcode - 176. Second Highest Salary

Authors
  • avatar
    Name
    Indo Yoon
    Twitter
Table of Contents

문제

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LeetCode

](https://leetcode.com/problems/second-highest-salary/)

정답

SELECT () AS ~ 를 쓰면  NULL값을 보존할 수 있다.

SELECT (
SELECT salary 
FROM employee
GROUP BY salary
ORDER BY salary DESC
LIMIT 1
OFFSET 1) AS SecondHighestSalary