Explanation:In MongoDB, write operations, e.g. db.collection.update(), db.collection.findAndModify(), db.collection.remove(), are atomic on the level of a single document. 4. ___________ bulk indexes may be more efficient for some kinds of content and workloads in real time.
A. Synchronous
B. Asynchronous
C. Unique
D. None of the mentioned
Answer:A
Explanation:In MongoDB, write operations, e.g. db.collection.update(), db.collection.findAndModify(), db.collection.remove(), are atomic on the level of a single document. 4. ___________ bulk indexes may be more efficient for some kinds of content and workloads in real time.
A. Synchronous B. Asynchronous C. Unique D. None of the mentioned
Explanation: MongoDB can support keyword searches using specific data models and multi-key indexes; 5. Point out the correct statement :