Revising Aggregations The Sum Function Hacker Rank Solution

Hello coders, In this post, you will learn how to solve the Revising Aggregations The Sum Function Hacker Rank Solution. This problem is a part of the SQL Hacker Rank series.

Problem

Query the total population of all cities in CITY where District is California.

Input Format

The CITY table is described as follows:

Revising Aggregations The Sum Function Hacker Rank Solution

SELECT SUM(POPULATION)
FROM CITY
WHERE DISTRICT = 'California';

Disclaimer: The above Problem (Revising Aggregations – The Sum Function) generated by Hackerrank but the Solution is Provided by Chase2Learn. This tutorial is only for Educational and Learning purposes.