Leetcode 595. Big Countries

两种写法:

1.

# Write your MySQL query statement below
SELECT name,population,area 
FROM world
WHERE area>3000000 OR population >25000000;

2.

# Write your MySQL query statement below
SELECT name,population,area 
FROM world
WHERE area>3000000
UNION
SELECT name,population,area 
FROM world
WHERE population > 25000000;

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转载自www.cnblogs.com/zywscq/p/10652736.html