Interview Question: Explain the difference between SQL and NoSQL databases. How I Answered: I explained that SQL databases store data in tables with predefined schemas and use SQL for queries, while NoSQL databases store data in flexible formats such as documents, key-value pairs, or collections. I also mentioned that SQL databases are generally preferred for complex transactions, whereas NoSQL databases are often used for scalability and handling unstructured data. If you want a more MERN-focused answer, you could write: Interview Question: What is the difference between state and props in React? How I Answered: I explained that props are used to pass data from a parent component to a child component and are read-only, whereas state is managed within a component and can be updated to trigger re-renders. Since you mentioned the interview was very basic, either of these would fit well.