MySql 595. Big country

✌✌✌The ancients have something to say, good memory is not as good as bad writing. A journey of a thousand miles begins with a single step. Thousands of lines of code every day are indispensable. Write a summary every day. Target a big factory. If you are full of hope, you will be invincible, hahaha! ! ! ✌✌✌

1. Title description

2. Answer ideas

> 简单的查询语句
> 但要注意该表中的列名与关键字冲突
> 需要用`符号隔开

3. MySql language

select `name`,population,`area` 
from World
where `area`>3000000 or population>25000000