Write a SQL query to get the second highest salary from the Employee table.
+—-+——–+ | Id | Salary | +—-+——–+ | 1 | 100 | | 2 | 200 | | 3 | 300 | +—-+——–+
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.
+———————+ | SecondHighestSalary | +———————+ | 200 | +———————+
Link: https://leetcode.com/problems/second-highest-salary/
Solution #
select max(Salary) as SecondHighestSalary from Employee where Salary < (select max(Salary) from Employee);