adplus-dvertising
frame-decoration

Question

In MongoDB, write operations are atomic at the __________ level.

a.

collection

b.

document

c.

row

d.

all of the mentioned

Posted under MongoDB

Answer: (b).document

Engage with the Community - Add Your Comment

Confused About the Answer? Ask for Details Here.

Know the Explanation? Add it Here.

Q. In MongoDB, write operations are atomic at the __________ level.

Similar Questions

Discover Related MCQs

Q. ______________ documents capture relationships between data by storing related data in a single document structure.

Q. Point out the wrong statement.

Q. A ____________ data model with embedded data combines all related data for a represented entity in a single document.

Q. For the __________ storage engine, if the document size exceeds the allocated space for that document, MongoDB relocates the document on disk.

Q. With MongoDB 3.0.0, the default use of the Power of _________ Allocations minimizes the occurrences of re-allocations as well as allows for the effective reuse of the freed record space.

Q. ___________ strategy is used to explicitly avoid document growth.

Q. Each index in MongoDB requires at least _________ of data space.

Q. ___________ data models allow applications to store related pieces of information in the same database record.

Q. Point out the correct statement.

Q. Embedded data model is used when you have _________ relationships between entities.

Q. Normalized data models describe relationships using ___________ between documents.

Q. Point out the wrong statement.

Q. To interact with embedded documents, use ___________ notation to “reach into” embedded documents.

Q. MongoDB using the mmapv1 storage engine has limits on the number of __________

Q. To get the current number of namespaces in the mongo shell, use ________________

Q. The __________ feature of collections expires documents after a period of time.

Q. Capped collections provide __________ management of inserted documents in MongoDB.

Q. _______________ is a specification for storing and retrieving files that exceed the BSON-document size limit of 16MB.

Q. Point out the wrong statement.

Q. How many does collections GridFS use to store files?