Big Countries - Sql - Easy - LeetCode
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Big Countries - Sql - Easy - LeetCode

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  • 1A country is classified as big if its area exceeds 3 million square kilometers or its population exceeds 25 million.
  • 2The SQL query retrieves the name, population, and area of countries meeting the size criteria from the World table.
  • 3Examples of big countries include Afghanistan and Algeria based on the specified area and population thresholds.

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"A country is classified as big if its area exceeds 3 million square kilometers or its population exceeds 25 million."

Big Countries - Sql - Easy - LeetCode

There is a table World

+-----------------+------------+------------+--------------+---------------+ | name | continent | area | population | gdp | +-----------------+------------+------------+--------------+---------------+ | Afghanistan | Asia | 652230 | 25500100 | 20343000 | | Albania | Europe | 28748 | 2831741 | 12960000 | | Algeria | Africa | 2381741 | 37100000 | 188681000 | | Andorra | Europe | 468 | 78115 | 3712000 | | Angola | Africa | 1246700 | 20609294 | 100990000 | +-----------------+------------+------------+--------------+---------------+ A country is big if it has an area of bigger than 3 million square km or a population of more than 25 million.

Write a SQL solution to output big countries' name, population and area.

For example, according to the above table, we should output:

+--------------+-------------+--------------+ | name | population | area | +--------------+-------------+--------------+ | Afghanistan | 25500100 | 652230 | | Algeria | 37100000 | 2381741 | +--------------+-------------+--------------+

# Write your MySQL query statement below
select name, population, area from World Where area > 3000000 OR population > 25000000;

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sumitc91

Published on 17 October 2020 · 1 min read · 165 words

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Big Countries - Sql - Easy - LeetCode | AskGif Blog