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Question:
1. SELECT continent, population FROM country GROUP BY continent
2. SELECT continent, SUM(population) FROM country GROUP BY continent
3. SELECT name, population FROM country GROUP BY continent
4. SELECT name, SUM(population) FROM country GROUP BY continent
Check Answer
Given a relation county(name, continent, population) which of the following is a valid SQL statement?
1. SELECT continent, population FROM country GROUP BY continent
2. SELECT continent, SUM(population) FROM country GROUP BY continent
3. SELECT name, population FROM country GROUP BY continent
4. SELECT name, SUM(population) FROM country GROUP BY continent
Check Answer
