Problem Name: Sql - Population Census

Problem Link:

In this HackerRank Functions in SQL problem solution,

Given the CITY and COUNTRY tables, query the sum of the populations of all cities where the CONTINENT is 'Asia'.

Note: CITY.CountryCode and COUNTRY.Code are matching key columns.

Input Format

The CITY and COUNTRY tables are described as follows:



Code Examples

#1 Code Example with MySQL

Code - MySQL

select sum(City.Population) from City INNER JOIN Country on City.CountryCode = Country.Code Where Country.Continent = 'Asia';
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