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

Average Population of Each Continent

  • Ahmed_Wafik
     + 0 comments
    SELECT co.Continent, FLOOR(AVG(ci.population)) 
FROM city as ci join country as co on 
ci.countryCode = co.code GROUP BY co.Continent