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

Average Population of Each Continent

  • anw_g01
     + 2 comments
    SELECT
    COUNTRY.Continent,
    FLOOR(AVG(CITY.Population))
FROM
    CITY
INNER JOIN
    COUNTRY
ON
    CITY.CountryCode = COUNTRY.Code
GROUP BY
    COUNTRY.Continent;