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but what's wrong with my answer it still says wrong answer .. this system sucks !
select country.Continent ,floor ( avg (city.population)) from city , country where City.CountryCode = Country.Code group by country.Continent ;
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Average Population of Each Continent
You are viewing a single comment's thread. Return to all comments →
but what's wrong with my answer it still says wrong answer .. this system sucks !
select country.Continent ,floor ( avg (city.population)) from city , country where City.CountryCode = Country.Code group by country.Continent ;