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  1. Prepare
  2. SQL
  3. Basic Join
  4. Population Census
  5. Discussions

Population Census

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1500 Discussions

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  • abhishekg9653
     + 0 comments

    select sum(city.population) from city join country on city.contrycode = country.code where country.continent = 'Asia';

  • swethascybsec
     + 0 comments

    MS SQL Server

    SELECT SUM(cc.population) FROM country c INNER JOIN city cc ON c.code= cc.countrycode WHERE continent ="Asia";

  • aniket092000
     + 0 comments

    select sum(ci.population) from city ci join country co on ci.countrycode=co.code where co.continent="asia";

  • swarnavagayen
     + 0 comments
    SELECT SUM(CITY.Population)
FROM CITY
JOIN COUNTRY
ON CITY.CountryCode = COUNTRY.Code
WHERE COUNTRY.Continent = 'Asia';

  • datavidai
     + 0 comments

    My answer: 

    SELECT SUM(CITY.POPULATION)
FROM CITY
JOIN COUNTRY
ON CITY.COUNTRYCODE = COUNTRY.CODE
WHERE COUNTRY.CONTINENT = 'Asia';