Skip to content

Instantly share code, notes, and snippets.

Embed
What would you like to do?
Codecademy export
-- This is the first query:
SELECT DISTINCT year from population_years;
-- Add your additional queries below:
-- Largest population size for Gabon
SELECT population
FROM population_years
WHERE country = 'Gabon'
ORDER BY population DESC
LIMIT 1;
-- 10 lowest population countries in 2005
SELECT country
FROM population_years
WHERE year = 2005
ORDER BY population
LIMIT 10;
-- 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;
-- Countries having the word “Islands” in their name
SELECT DISTINCT country
FROM population_years
WHERE country LIKE '%Islands%';
-- Difference in population between 2000 and 2010 in Indonesia
SELECT pop_2000, pop_2010, pop_2010 - pop_2000 AS 'pop_diff'
FROM
(SELECT
(SELECT population
FROM population_years
WHERE country = 'Indonesia'
AND year = 2000) AS 'pop_2000',
(SELECT population
FROM population_years
WHERE country = 'Indonesia'
AND year = 2010) AS 'pop_2010');
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment
You can’t perform that action at this time.