A query may include a ___________ that specifies the fields from the matching documents to return.
(a) selection
(b) projection
(c) union
(d) none of the mentioned
(a) selection
(b) projection
(c) union
(d) none of the mentioned
The correct option is (b) projection
The best explanation: Queries specify criteria, or conditions, that identify the documents that MongoDB returns to the clients.