African Cities HackerRank SQL Solution

Problem:-

Given the CITY and COUNTRY tables, query the names of all cities where the CONTINENT is 'Africa'.

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

Input Format

The CITY and COUNTRY tables are described as follows:

Solution:-

Select Name From City Where CountryCode In (
    Select Code From Country Where Continent = 'Africa'

);