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:
Average Population of Each Continent SQL – Hacker Rank Solution
SELECT o.CONTINENT, FLOOR(AVG(i.POPULATION)) FROM CITY AS i JOIN COUNTRY AS o ON i.COUNTRYCODE=o.CODE GROUP BY o.CONTINENT;
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