Explanation:MongoDB’s collections do not enforce document structure. 3. In MongoDB, write operations are atomic at the __________ level.
A. collection
B. document
C. row
D. All of the mentioned
Answer:A
Explanation:MongoDB’s collections do not enforce document structure. 3. In MongoDB, write operations are atomic at the __________ level.
A. collection B. document C. row D. All of the mentioned
Explanation:No single write operation can atomically affect more than one document or more than one collection. 4. ______________ documents capture relationships between data by storing related data in a single document structure.