Explanation:As such, you cannot create a compound multikey index if more than one to-be-indexed field of a document is an array. 4. Which of the following indexes cannot be multikey ?
A. Hashed
B. Unique
C. Multikey
D. compound
Answer:A
Explanation:As such, you cannot create a compound multikey index if more than one to-be-indexed field of a document is an array. 4. Which of the following indexes cannot be multikey ?
A. Hashed B. Unique C. Multikey D. compound
Explanation:You cannot specify a multikey index as the shard key index. 5. Point out the wrong statement :