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Question

How does RDF-3X choose optimal join orders for complex queries?

a.

By using a random selection approach

b.

By relying on a fixed join order

c.

By employing a query optimizer

d.

By manual configuration

Posted under Big Data Computing

Answer: (c).By employing a query optimizer Explanation:RDF-3X chooses optimal join orders for complex queries using a query optimizer.

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Q. How does RDF-3X choose optimal join orders for complex queries?

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