Why should we use NoSQL database?
Answer: Many considerations go in picking a NoSQL database that suits some special use case. Here are key reasons why opting for a NoSQL database might be advantageous:
- Schema Flexibility:
- With noSQL database we will be using a flexible scheme since you do not get a preset structure to store and organise this.
- Scalability:
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- They can add more servers on the database cluster in order to handle the increasing volume of data and traffic.
- The scalability is important because there are applications with constantly growing data sets and they must be efficient in order to remain effective.
- Variety of Data Models:
- Not-only SQL databases support multiple data models such as documents, key value, column family and also graph databases.
- Performance and Speed:
- The optimization of noSQL databases for certain use cases allows for improved speed of data operations.
- NoSQL is more reliable because of properties such as in-memory processing, efficient indexing, and distributed architectures.
- Distributed and Fault-Tolerant:
- They are able to work well between various node and also take care of failures smoothly.
- Such distribution structure improves system reliability because it allows for continuous operations despite hardware and network problems.
Top Most Asked System Design Interview Questions
System Design is defined as a process of creating an architecture for different components, interfaces, and modules of the system and providing corresponding data helpful in implementing such elements in systems.
Table of Content
- 1. Why is it better to use horizontal scaling than vertical scaling?
- 2. What is sharding, and how does it improve database scalability?
- 3. What is CAP theorem?
- 4. What do you understand by load balancer? Why is it important in system design?
- 5. What are the various Consistency patterns available in system design?
- 6. When would you use cache layer of a system?
- 7. A reverse proxy in a web architecture means what?
- 8. Outline the role played by a CDN in Web Architecture.
- 9. Describe the concepts of RESTful API principles.
- 10. How does a message broker operate within a distributed environment?
- 11. Why should we use NoSQL database?
- 12. What does the Singleton Design Pattern aim at?
- 13. Discuss what is consistent hashing ?
- 14. Why is the two-phase commit protocol important?
- 15. What are vector clocks in the context of the distributed system?
- 16. Explain the function of consensus algorithms in distributed systems.
- 17. How does the “graceful degradation” principle impacts on system design?
- 18. What are the bottlenecks in system design?
- Conclusion
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