Explanation:Use for values that the aggregation pipeline may interpret as an expression. 10.db.collection.aggregate() returns a _______ and can return result sets of any size.
A. replica
B. cursor
C. document
D. $subtract
Answer:A
Explanation:Use for values that the aggregation pipeline may interpret as an expression. 10.db.collection.aggregate() returns a _______ and can return result sets of any size.
A. replica B. cursor C. document D. $subtract
Explanation:The aggregate command can return results as a cursor or store the results in a collection, which are not subject to the size limit. Sanfoundry Global Education & Learning Series – MongoDB.