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Top 14 NoSQL Interview Questions and Answers

29/Sep/2020 | 15 minutes to read

QFLES is listing some Essential NoSQL Interview Questions and Answers for Freshers and mid level of Experienced Professionals prepared by Industry Experts. All answers for these NoSQL interview questions are given based on standard documents and tried to explain in simple and easiest way.

Best Answers to NoSQL Interview Questions

These questions are targeted for NoSQL Database developer interview. All mid level of experienced professionals may require to have answer of these basic and advance questions to crack NoSQL DB interview.

1. What is NoSQL database?

2. How NoSQL is different from RDBMS?

3. What are the different types of NoSQL Database.

4. What is Key-Value store or Key-Value database?

5. What is DocumentDB?

6. What is Column store database?

7. What is Graph Database (GDB)?

8. What are the advantages of NoSQL DB?

9. What are the disadvantages of NoSQL Databases?

10. Explain some features of NoSQL Databases?

11. How to choses correct database between NoSQL and RDBMS?

12. What is Vertical and Horizontal Scaling?

13. What is Database Sharding?

14. How to scale NoSQL database?

15. What is NoSQL - CAP Theorem?

16. What is Polyglot Persistence in NoSQL Space?

Some General Interview Questions for NoSQL

1. How much will you rate your self in NoSQL?

When you attend an interview, Interviewer may ask you to rate your self in specific Technology like NoSQL, So It's depend on your knowledge and work experience in NoSQL.

2. What challenges did you face while working on NoSQL?

This question may be specific to your technology and completely depends on your past work experience. So you need to just explain the challenges you faced related to NoSQL in your Project.

3. What was your role in last Project related to NoSQL?

It's based on your role and responsibilities assigned to you and what functionality you implemented using NoSQL in your project. This question is generally asked in every interview.

4. How much experience do you have in NoSQL?

Here you can tell about your overall work experience on NoSQL.

5. Have you done any NoSQL Certification or Training?

It's depend on candidate like you have done any NoSQL training or certification. Certifications or trainings are not essential but good to have.


We have covered some frequently asked NoSQL Interview Questions and Answers to help you for your Interview. All these Essential NoSQL Interview Questions are targeted for mid level of experienced Professionals and freshers.
While attending any NoSQL Interview if you face any difficulty to answer any question please write to us at Our IT Expert team will find the best answer and will update on portal. In case if we find any new NoSQL questions, we will update the same here.

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