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To suppress the _id field from the result set, specify _________ in the projection document.

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To suppress the _id field from the result set, specify _________ in the projection document.

(a) _id: 1

(b) _id: 0

(c) _id: it

(d) None of the mentioned

This question was addressed to me during an internship interview.

Asked question is from Read Operations in division MongoDB CRUD Concepts and Operation of MongoDB

1 Answer

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Best answer
The correct answer is (b) _id: 0

Explanation: By default, the _id field is included in the results.

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