Data Engineer 面试题与答案

Question: What are NoSQL databases, and when would you choose to use them over traditional relational databases?

Answer: NoSQL databases are non-relational databases designed for scalability, flexibility, and handling large amounts of unstructured or semi-structured data. They are chosen when dealing with high-volume, distributed, and dynamic data.

Example:

Using a NoSQL database to store and retrieve JSON documents in a web application.