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Question

What is the role of Hive in HadoopDB?

a.

It serves as the primary storage layer.

b.

It translates SQL queries into Map-Reduce jobs.

c.

It optimizes network communication.

d.

It handles fault tolerance in HadoopDB.

Posted under Big Data Computing

Answer: (b).It translates SQL queries into Map-Reduce jobs. Explanation:Hive in HadoopDB serves as the translation layer, translating SQL queries into Map-Reduce jobs.

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Q. What is the role of Hive in HadoopDB?
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