The ________ message is used to update a document in a collection.
(a) UPDATE
(b) OP_UPDATE
(c) OP_UPDATES
(d) All of the mentioned
(a) UPDATE
(b) OP_UPDATE
(c) OP_UPDATES
(d) All of the mentioned
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Correct option is (b) OP_UPDATE
The best explanation: Only the OP_QUERY and OP_GET_MORE messages result in a response from the database.