Web Development with Node.JS and MongoDB (Video 17)

This video introduces NoSQL databases, explaining that NoSQL means 'not only SQL' and offers alternatives to traditional SQL databases. It covers the motivation for using NoSQL, such as simplified design and horizontal scaling. The video categorizes NoSQL databases into key-value, document, column, and graph types, detailing their structures and use cases. Key-value databases are simple and unstructured, while document databases store data as documents. Column databases are like 2D arrays, and graph databases represent data as nodes and connections. The video concludes with a summary and a preview of the next topic on MongoDB schemas.

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