Anusha Murali

Logo

Please see github.com/anusha-murali for all of my repositories.

View GitHub Profile

15. Average Population of Each Continent: Solution


Given the CITY and COUNTRY tables, query the names of all the continents (COUNTRY.Continent) and their respective average city populations (CITY.Population) rounded down to the nearest integer.

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

The CITY and COUNTRY tables are described as follows:

13

solution_image5

SELECT COUNTRY.CONTINENT , FLOOR(AVG(CITY.POPULATION))
FROM CITY, COUNTRY
WHERE CITY.COUNTRYCODE = COUNTRY.CODE GROUP BY COUNTRY.CONTINENT;

Back to problems


anusha-murali.github.io