Now comes the interesting part, since the app is going to make use of Mongodb which is a NoSQL database, we need to create a model.

A model is at the heart of JavaScript based applications, and it is what makes it interactive.

We will also use models to define the database schema . This is important so that we will be able to define the fields stored in each Mongodb document. (Seems like a lot of information, but not to worry, everything will become clear to you over time. I promise!!!)

In essence, the Sch...
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