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Welcome to the MongoDB CRUD Operations MCQs Page

Dive deep into the fascinating world of MongoDB CRUD Operations with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of MongoDB CRUD Operations, a crucial aspect of MongoDB. In this section, you will encounter a diverse range of MCQs that cover various aspects of MongoDB CRUD Operations, from the basic principles to advanced topics. Each question is thoughtfully crafted to challenge your knowledge and deepen your understanding of this critical subcategory within MongoDB.

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Check out the MCQs below to embark on an enriching journey through MongoDB CRUD Operations. Test your knowledge, expand your horizons, and solidify your grasp on this vital area of MongoDB.

Note: Each MCQ comes with multiple answer choices. Select the most appropriate option and test your understanding of MongoDB CRUD Operations. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

MongoDB CRUD Operations MCQs | Page 5 of 8

Q41.
The order of documents returned by a query is not defined unless you specify a ______
Discuss
Answer: (c).sort()
Discuss
Answer: (a).Queries specify criteria, or conditions, that identify the documents that MongoDB returns to the clients
Q43.
In aggregation pipeline, the _______ pipeline stage provides access to MongoDB queries.
Discuss
Answer: (b).$match
Q44.
Which of the following method returns one document?
Discuss
Answer: (a).findOne()
Discuss
Answer: (c).To scale the amount of data that MongoDB sends to applications, include a projection in the queries.
Q46.
Which of the following is the second argument to projection?
Discuss
Answer: (d).find()
Discuss
Answer: (b).db.records.find( { “user_id”: { $lt: 42 } }, { “history”: 0 } )
Q48.
Which of the following functionality is used for aggregation framework?
Discuss
Answer: (b).$project
Q49.
To suppress the _id field from the result set, specify _________ in the projection document.
Discuss
Answer: (b)._id: 0
Q50.
Which of the following is not a projection operator?
Discuss
Answer: (d).None of the mentioned
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