This Leetcode problem Second Highest Salary LeetCode Solution is done in SQL.
List of all LeetCode Solution
Second Highest Salary LeetCode Solution
Table of Contents
Problem Statement
| Column Name | Type |
| id | int |
| salary | int |
Employeeid is the primary key (column with unique values) for this table. Each row of this table contains information about the salary of an employee.
Write a solution to find the second highest salary from the Employee table. If there is no second highest salary, return null (return None in Pandas).
The result format is in the following example.
Example 1:
Input:
| id | salary |
| 1 | 100 |
| 2 | 200 |
| 3 | 300 |
Output:
| SecondHighestSalary |
| 200 |
Example 2:
Input:
| id | salary |
| 1 | 100 |
Output:
| SecondHighestSalary |
| null |
Second Highest Salary LeetCode Solution MySQL
select
FirstName,
LastName,
City,
State
from
Person as p
left join Address as a on p.PersonId = a.PersonId;Code language: SQL (Structured Query Language) (sql)