Algorithm & SQL/HackerRank
[HakerRank / MySQL] African Cities
김룹
2024. 3. 10. 12:57
https://www.hackerrank.com/challenges/african-cities/problem?isFullScreen=true
African Cities | HackerRank
Query the names of all cities on the continent 'Africa'.
www.hackerrank.com
SELECT city.name
FROM city
INNER JOIN country ON city.countrycode = country.code
WHERE country.continent = 'Africa'