SELECT Name, Continent, Population
FROM country
| Name | Continent | Population |
| Aruba | North America | 103,000 |
| Afghanistan | Asia | 22,720,000 |
| Angola | Africa | 12,878,000 |
| Anguilla | North America | 8,000 |
| Albania | Europe | 3,401,200 |
| Andorra | Europe | 78,000 |
| Netherlands Antilles | North America | 217,000 |
| United Arab Emirates | Asia | 2,441,000 |
| ... |
| 该语句使用 SELECT 从 country 表中取数据。这里指定了三个列名，列名之间用逗号分隔。 |