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For most aggregation operations, the ______ Pipeline provides better performance and more coherent interface.

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For most aggregation operations, the ______ Pipeline provides better performance and more coherent interface.

(a) Aggregate

(b) Replication

(c) Sharding

(d) None of the mentioned

The question was asked during an online interview.

I'm obligated to ask this question of Map-Reduce in chapter Aggregation Concepts and Aggregation Mechanics of MongoDB

1 Answer

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Best answer
The correct answer is (a) Aggregate

Explanation: Map-reduce operations provide some flexibility that is not presently available in the aggregation pipeline.

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