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Point out the wrong statement.

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Point out the wrong statement.

(a) MongoDB also provides map-reduce operations to perform aggregation

(b) The pipeline provides efficient data aggregation using native operations within MongoDB

(c) Map-reduce can specify a query condition to select the input documents as well as sort and limit the results

(d) None of the mentioned

I had been asked this question by my school principal while I was bunking the class.

The query is from Aggregation in division Aggregation Concepts and Aggregation Mechanics of MongoDB

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Best answer
Right choice is (d) None of the mentioned

Best explanation: Aggregation is the preferred method for data aggregation in MongoDB.

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