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;
原文地址:https://www.cnblogs.com/zywscq/p/10652736.html
时间: 2024-10-06 00:59:05