Explanation:The query scans the index and not the collection. 3. A prefix of a _______ index is a subset that consists of one or more keys at the start of the index key pattern.
A. unique
B. primary
C. compound
D. None of the mentioned
Answer:A
Explanation:The query scans the index and not the collection. 3. A prefix of a _______ index is a subset that consists of one or more keys at the start of the index key pattern.
A. unique B. primary C. compound D. None of the mentioned