Eui Chul Chung

Vulnerability Researcher
PEN: OSCP, OSEP, OSCE3
WEB: OSWA, OSWE
EXP: OSED


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Problem

Table: World

+-------------+---------+
| Column Name | Type    |
+-------------+---------+
| name        | varchar |
| continent   | varchar |
| area        | int     |
| population  | int     |
| gdp         | bigint  |
+-------------+---------+
name is the primary key (column with unique values) 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 a solution to find the name, population, and area of the big countries.

Return the result table in any order.

Solution

The problem Big Countries can be solved using the keyword WHERE to satisfy the specified conditions.

Implementation

# Write your MySQL query statement below

SELECT name, population, area
FROM world
WHERE area >= 3000000 OR population >= 25000000;