____________ are operations that process data records and return computed results.
A. ReplicaAgg
B. SumCalculation
C. Aggregations
D. None of the mentioned
Answer:A
____________ are operations that process data records and return computed results.
A. ReplicaAgg B. SumCalculation C. Aggregations D. None of the mentioned
Explanation:MongoDB provides a rich set of aggregation operations that examine and perform calculations on the data sets. 2. Point out the wrong statement :