Question

Which popular column-oriented DBMS uses its own implementation of MapReduce internally?

a.

Dynamo

b.

CouchDB

c.

BigTable

d.

Grid Computing

Posted under Big Data Computing

Answer: (b).CouchDB Explanation:CouchDB, a column-oriented DBMS, uses its own implementation of MapReduce internally for data processing.

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Q. Which popular column-oriented DBMS uses its own implementation of MapReduce internally?

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