문제
풀이
- For example, given the above Employee table, the query should return 200 as the second highest salary. If there is no second highest salary, then the query should return null
코드
-- leetcode, sql easy : second highest salary, mysql
SELECT MAX(Salary) AS SecondHighestSalary
FROM Employee
WHERE Salary < (SELECT MAX(Salary) FROM Employee)결과
출처 && 깃허브
