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

Average Population of Each Continent

  • mahamzah535
     + 0 comments

    Gah daymmn, why should we use floor?

    SELECT COUNTRY.CONTINENT, ROUND(AVG(CITY.POPULATION), 2)
FROM CITY
LEFT JOIN COUNTRY ON CITY.COUNTRYCODE = COUNTRY.CODE
GROUP BY COUNTRY.CONTINENT

    Thought this is already correct