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- There is a table World
-
- +-----------------+------------+------------+--------------+---------------+
- | 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 |
- +-----------------+------------+------------+--------------+---------------+
-
- A country is big if it has an area of bigger than 3 million square km or a population of more than 25 million.
-
- Write a SQL solution to output big countries' name, population and area.
-
- For example, according to the above table, we should output:
-
- +--------------+-------------+--------------+
- | name | population | area |
- +--------------+-------------+--------------+
- | Afghanistan | 25500100 | 652230 |
- | Algeria | 37100000 | 2381741 |
- +--------------+-------------+--------------+
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