Explanation:References provides more flexibility than embedding. 7. MongoDB using the mmapv1 storage engine has limits on the number of __________ .
A. namespaces
B. collections
C. documents
D. None of the mentioned
Answer:A
Explanation:References provides more flexibility than embedding. 7. MongoDB using the mmapv1 storage engine has limits on the number of __________ .
A. namespaces B. collections C. documents D. None of the mentioned
Explanation: The namespace file defaults to 16 MB. 8. To get the current number of namespaces in the mongo shell, use :