mirror of
https://gitee.com/coder-xiaomo/leetcode-problemset
synced 2025-11-04 03:33:12 +08:00
55 lines
1.9 KiB
HTML
55 lines
1.9 KiB
HTML
<p>Table: <code>World</code></p>
|
|
|
|
<pre>
|
|
+-------------+---------+
|
|
| 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.
|
|
</pre>
|
|
|
|
<p> </p>
|
|
|
|
<p>A country is <strong>big</strong> if:</p>
|
|
|
|
<ul>
|
|
<li>it has an area of at least three million (i.e., <code>3000000 km<sup>2</sup></code>), or</li>
|
|
<li>it has a population of at least twenty-five million (i.e., <code>25000000</code>).</li>
|
|
</ul>
|
|
|
|
<p>Write an SQL query to report the name, population, and area of the <strong>big countries</strong>.</p>
|
|
|
|
<p>Return the result table in <strong>any order</strong>.</p>
|
|
|
|
<p>The query result format is in the following example.</p>
|
|
|
|
<p> </p>
|
|
<p><strong>Example 1:</strong></p>
|
|
|
|
<pre>
|
|
<strong>Input:</strong>
|
|
World table:
|
|
+-------------+-----------+---------+------------+--------------+
|
|
| name | continent | area | population | gdp |
|
|
+-------------+-----------+---------+------------+--------------+
|
|
| Afghanistan | Asia | 652230 | 25500100 | 20343000000 |
|
|
| Albania | Europe | 28748 | 2831741 | 12960000000 |
|
|
| Algeria | Africa | 2381741 | 37100000 | 188681000000 |
|
|
| Andorra | Europe | 468 | 78115 | 3712000000 |
|
|
| Angola | Africa | 1246700 | 20609294 | 100990000000 |
|
|
+-------------+-----------+---------+------------+--------------+
|
|
<strong>Output:</strong>
|
|
+-------------+------------+---------+
|
|
| name | population | area |
|
|
+-------------+------------+---------+
|
|
| Afghanistan | 25500100 | 652230 |
|
|
| Algeria | 37100000 | 2381741 |
|
|
+-------------+------------+---------+
|
|
</pre>
|