Question 1

What is database normalization and why is it important?

Accepted Answer

Database normalization is the process of organizing columns and tables in a relational database to minimize data redundancy. It's important because it reduces the risk of data anomalies, improves data integrity, and makes the database more efficient.

Question 2

When would you use a NoSQL database over a SQL database?

Accepted Answer

NoSQL databases are a good choice for applications that require high scalability, flexible data models, and can handle unstructured or semi-structured data. For example, social media feeds, IoT applications, and real-time analytics often use NoSQL databases.

Database Design Interview Questions

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