Second Highest Salary

Desicription

Write a SQL query to get the second highest salary from the Employee table.

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+----+--------+
| 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.

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+---------------------+
| SecondHighestSalary |
+---------------------+
| 200 |
+---------------------+

Solution

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# Write your MySQL query statement below
select MAX(Salary)
as SecondHighestSalary
from Employee
where Salary < (select MAX(Salary) from Employee)