Introduction

In the previous chapter, we learned how MongoDB, as a NoSQL database, differs from traditional relational databases. We covered the basic features of MongoDB, including its architecture, its different versions, and MongoDB Atlas.

MongoDB is designed for modern-world applications. We live in a world where requirements change rapidly. We want to build lightweight and flexible applications that can quickly adapt to these new requirements and ship them to production as quickly as possible. We want our databases to become agile so that they can adapt to the ever-changing needs of our applications, reduce downtime, scale out easily, and perform efficiently. MongoDB is a perfect fit for all such needs.

One of the major factors that make MongoDB an agile database is its document-based data model. Documents are widely accepted as a flexible way of transporting information. You might have come across many applications that exchange data in the form of JavaScript Object Notation...