Point out the wrong statement :
A. The best way to ensure a field has unique values is to generate universally unique identifiers (UUID,) such as MongoDB’s ‘ObjectId values
B. Most deployments will not need to shard the files collection
C. The files collection is typically small, and only contains metadata
D. None of the mentioned
Answer:A
Point out the wrong statement :
A. The best way to ensure a field has unique values is to generate universally unique identifiers (UUID,) such as MongoDB’s ‘ObjectId values B. Most deployments will not need to shard the files collection C. The files collection is typically small, and only contains metadata D. None of the mentioned