SQL Queries
Hello guys! Today, I practiced SQL Queries in SQLZoo SELECT SUM(population) FROM world SELECT DISTINCT(continent) FROM world SELECT SUM(gdp) FROM world WHERE continent='Africa' SELECT COUNT(name) FROM world WHERE area>=1000000 SELECT SUM(population) FROM world WHERE name IN('Estonia', 'Latvia', 'Lithuania') SELECT continent,COUNT(name) FROM world GROUP BY continent SELECT continent,COUNT(name) FROM world WHERE population>=10000000 GROUP BY continent SELECT continent FROM world GROUP BY continent HAVING SUM(population)>=100000000