Solving nth Highest Salary in SQL. Please try yourself first to solve the problem and submit your implementation to LeetCode before looking into solution.

Problem Description

Nth Highest Salary: Write a SQL query to get the nth highest salary from the Employee table.

+----+--------+
| Id | Salary |
+----+--------+
| 1 | 100 |
| 2 | 200 |
| 3 | 300 |
+----+--------+

For example, given the above Employee table, the nth highest salary where n = 2 is 200. If there is no nth highest salary, then the query should return null.

+------------------------+
| getNthHighestSalary(2) |
+------------------------+
| 200 |
+------------------------+

See the full details of the problem nth Highest Salary at LeetCode

Originally posted at: @github.com/ignacio-chiazzo/Algorithms-Leetcode-Javascript