NoSQL Developer Interview Questions

NoSQL Developer is an IT professional specialized in NoSQL technologies and database architectures.

Whether you're a job seeker preparing to be interviewed for the role of NoSQL Developer or an employer preparing to interview candidates for NoSQL Developer position, these NoSQL Developer interview questions will help you prepare yourself for the job interview session.

NoSQL Developer Interview Questions

Below are a list of some skill-based NoSQL Developer interview questions.

1. What is NoSQL?
2. Can you explain the key differences between SQL and NoSQL databases?
3. Are there any performance issues when using NoSQL databases? If yes, what are they?
4. What are object-oriented databases? Do they have anything to do with NoSQL databases?
5. What are CAP Theorem, BASE, and Eventual Consistency?
6. Does NoSQL mean that SQL is not used at all?
7. What are data warehouses and why are they important?
8. What are some examples of NoSQL databases?
9. What is your opinion on the future of NoSQL databases? Will they replace SQL databases completely or will they coexist with them?
10. Is it possible to query NoSQL databases using SQL? If yes, how? If no, then why not?
11. What are the advantages and disadvantages of NoSQL databases?
12. What do you understand by ACID properties in a relational database context?
13. What are some of the limitations of traditional SQL databases that led to the development of NoSQL databases?
14. What’s the difference between NoSQL and Hadoop?
15. How does NoSQL differ from NewSQL?
16. What are some common use cases for NoSQL databases?
17. What are the best practices when working with NoSQL databases?
18. Which popular companies use NoSQL databases in production?
19. When should we use NoSQL databases instead of RDBMS?
20. What is Sharding in MongoDB?
21. How does column-oriented NoSQL differ from document-oriented?
22. What does Document-oriented vs. Key-Value mean in context of NoSQL?
23. How do you track record relations in NoSQL?
24. When should we embed one document within another in MongoDB?

NoSQL Developer Interview Questions and Answers

Every interview is different and the questions may vary. However, there are lots of general questions that get asked at every interview.

Below are some common questions you'd expect during NoSQL Developer interviews. Click on each question to see how to answer them.

1. Why Do You Want To Leave Your Current Job?
2. What is Your Greatest Weakness?
3. What Is Your Greatest Accomplishment?
4. What is Your Greatest Strength?
5. Why Do You Want This Job?
6. What is Your Salary Expectation?
7. Are You a Leader or a Follower?
8. Do You Have Any Questions for Us?
9. Why Should We Hire You?
10. Tell Me About Yourself