02 - Create a Model - MongoDB and Mongoose - freeCodeCamp Tutorial

We have to create a Schema and a Model before we can write to the database. A Scheme defines a set of properties and types that our records will have. We can then use the Schema to create a 'Model' which can represent a real life entity like a Person.

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Concepts: Schema You can think of a Mongoose schema as the configuration object for a Mongoose model. Each schema maps to a MongoDB collection and defines the shape of the documents within that collection. You construct one, giving an object with key value pairs with properties and types the collection should have. https://mongoosejs.com/docs/guide.html

Model Models are fancy constructors compiled from Schema definitions. An instance of a model is called a document. Models are responsible for creating and reading documents from the underlying MongoDB database. https://mongoosejs.com/docs/models.html

mongoose.model() When you call mongoose.model() on a schema, Mongoose compiles a model for you. The first argument is the singular name of the collection your model is for. Mongoose automatically looks for the plural, lowercased version of your model name. https://mongoosejs.com/docs/models.html#compiling

 -————————————————————————————————————- MongoDB is a cross-platform document-oriented database program. Classified as a NoSQL database program, MongoDB uses JSON-like documents with optional schemas. MongoDB is developed by MongoDB Inc. and licensed under the Server Side Public License (SSPL).

Mongoose is an Object Data Modeling (ODM) library for MongoDB and Node.js. It manages relationships between data, provides schema validation, and is used to translate between objects in code and the representation of those objects in MongoDB.

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