Explanation: MongoDB treats some types as equivalent for comparison purposes. 4. Each data type has a corresponding number that can be used with the _______ operator to query documents by BSON type.
A. $type
B. $server
C. $agent
D. None of the mentioned
Answer:A
Explanation: MongoDB treats some types as equivalent for comparison purposes. 4. Each data type has a corresponding number that can be used with the _______ operator to query documents by BSON type.
A. $type B. $server C. $agent D. None of the mentioned
Explanation:$type selects the documents where the value of the field is an instance of the specified numeric BSON type. 5. Point out the wrong statement :