Explanation:With index intersection, MongoDB can use an intersection of either the entire index or the index prefix. 10.Index __________ does not eliminate the need for creating compound indexes.
A. union
B. addition
C. intersection
D. All of the mentioned
Answer:A
Explanation:With index intersection, MongoDB can use an intersection of either the entire index or the index prefix. 10.Index __________ does not eliminate the need for creating compound indexes.
A. union B. addition C. intersection D. All of the mentioned
Explanation:Compound index may not support a query condition that does not include the index prefix keys or that specifies a different sort order. Sanfoundry Global Education & Learning Series – MongoDB.