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_______ is used for access text search metadata.

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_______ is used for access text search metadata.

(a) $text

(b) $metades

(c) $meta

(d) All of the mentioned

This question was addressed to me in final exam.

The above asked question is from Pipeline and Sharded Collections in chapter Aggregation Concepts and Aggregation Mechanics of MongoDB

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The correct choice is (c) $meta

Easy explanation: $meta returns the metadata associated with a document in a pipeline operations.

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