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Query shape consists of a combination of query, sort, and _________ specifications.

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Query shape consists of a combination of query, sort, and _________ specifications.

(a) selection

(b) projection

(c) collection

(d) none of the mentioned

This question was posed to me during a job interview.

I need to ask this question from Aggregation Pipeline in section Aggregation Concepts and Aggregation Mechanics of MongoDB

1 Answer

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Best answer
Correct choice is (c) collection

The explanation is: If an index filter exists for a given query shape, the optimizer only considers those indexes specified in the filter.

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