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Which of the following can be used to implement field level redaction?

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+2 votes
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Which of the following can be used to implement field level redaction?

(a) $skip

(b) $limit

(c) $match

(d) $redact

The question was asked in an online interview.

My question is from Aggregation Operations in portion Aggregation Concepts and Aggregation Mechanics of MongoDB

1 Answer

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Best answer
Right option is (d) $redact

The explanation: $redact reshapes each document in the stream by restricting the content for each document based on information stored in the documents themselves.

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