码迷,mamicode.com
首页 > 其他好文 > 详细

第一题:Big Countries

时间:2018-12-25 13:17:25      阅读:136      评论:0      收藏:0      [点我收藏+]

标签:world   big   tin   http   highlight   and   HERE   esc   ica   

https://leetcode.com/problems/big-countries/description/

要求:

+-----------------+------------+------------+--------------+---------------+
| 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     |
+-----------------+------------+------------+--------------+---------------+

查找面积超过 3,000,000 或者人口数超过 25,000,000 的国家。

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

解题:
SELECT name, population, area
FROM World
WHERE area > 3000000 OR population > 25000000;

 



第一题:Big Countries

标签:world   big   tin   http   highlight   and   HERE   esc   ica   

原文地址:https://www.cnblogs.com/xlzfdddd/p/10173248.html

(0)
(0)
   
举报
评论 一句话评论(0
登录后才能评论!
© 2014 mamicode.com 版权所有  联系我们:gaon5@hotmail.com
迷上了代码!