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

Average Population of Each Continent

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1817 Discussions

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  • fabricio_2310
     + 0 comments
    SELECT country.continent, FLOOR(AVG(city.population))
FROM country
JOIN city ON city.countrycode = country.code
GROUP BY 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

  • lalit26thegame
     + 0 comments

    MYSQL -

    SELECT COUNTRY.CONTINENT, FLOOR(AVG(CITY.POPULATION)) FROM COUNTRY JOIN CITY ON CITY.COUNTRYCODE = COUNTRY.CODE GROUP BY COUNTRY.CONTINENT;

  • ashishkhulbey
     + 0 comments

    select a.CONTINENT, floor(avg(b.POPULATION)) from COUNTRY as a INNER JOIN CITY as b on a.CODE = b.COUNTRYCODE group by CONTINENT;

  • pratiksha_wale91
     + 0 comments

    SELECT COUNTRY.CONTINENT, FLOOR(AVG(CITY.POPULATION)) AS AVG_CITY_POPULATION FROM COUNTRY INNER JOIN CITY ON COUNTRY.CODE = CITY.COUNTRYCODE GROUP BY CONTINENT;