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  1. Prepare
  2. SQL
  3. Basic Join
  4. Average Population of Each Continent
  5. Discussions

Average Population of Each Continent

  • kirill_d1
     + 0 comments
    select COUNTRY.Continent, floor(avg(CITY.population)) from CITY join COUNTRY
  on CITY.CountryCode = COUNTRY.Code
  group by 1;