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Created August 4, 2020 00:54
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Codecademy export
-- This is the first query:
SELECT DISTINCT year from population_years;
-- Add your additional queries below:
-- 4.What is the largest population size for Gabon in this dataset?
SELECT population
FROM population_years
WHERE country = 'Gabon'
ORDER BY population DESC
LIMIT 1;
--5.What were the 10 lowest population countries in 2005?
SELECT country, population
FROM population_years
WHERE year = 2005
ORDER BY population ASC
LIMIT 10;
--6.What are all the distinct countries with a population of over 100 million in the year 2010?
SELECT DISTINCT country
FROM population_years
WHERE population > 100
AND year = 2010;
--7.How many countries in this dataset have the word “Islands” in their name?
SELECT COUNT(DISTINCT country) FROM population_years
WHERE country LIKE '%Islands%';
--8.What is the difference in population between 2000 and 2010 in Indonesia?
-- pulling all the date from 2000 to 2000:
SELECT *
FROM population_years
WHERE country = 'Indonesia'
ORDER BY year ASC;
-- calculate difference: 242.96834 - 214.67661 = 28.29173
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