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SQL 595 Big Countries

本文主要是介绍SQL 595 Big Countries,对大家解决编程问题具有一定的参考价值,需要的程序猿们随着小编来一起学习吧!

Table: World

+-------------+---------+
| Column Name | Type    |
+-------------+---------+
| name        | varchar |
| continent   | varchar |
| area        | int     |
| population  | int     |
| gdp         | int     |
+-------------+---------+

name is the primary key column for this table.
Each row of this table gives information about the name of a country, the continent to which it belongs, its area, the population, and its GDP value.

A country is big if:

  • it has an area of at least three million (i.e., 3000000 km2), or
  • it has a population of at least twenty-five million (i.e., 25000000).

Write an SQL query to report the name, population, and area of the big countries.

Return the result table in any order.

The query result format is in the following example.

Solution

点击查看代码
# Write your MySQL query statement below
SELECT 
    name, population, area
FROM
    World
WHERE
    area>=3000000 OR population>=25000000
;
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