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What is Mongoose and how is it used?

Mongoose is an ODM (Object Data Modeling) library for MongoDB in Node.js. It provides:

Schema-based data modeling
Validation
Middleware (hooks)
Easy querying and relationship management

You define schemas and models to interact with MongoDB more intuitively.

More from Node.js Tutorial

How do you connect Node.js to MongoDB? You typically use the MongoDB Node.js driver or an ODM like Mongoose. Basic connection example with native driver: const { MongoClient } = require('mongodb');
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How do you write unit tests in Node.js? Unit tests check small, isolated pieces of your code (like functions) to make sure they work
What are common security issues in Node.js applications?
What is clustering in Node.js? Node.js runs on a single thread by default, which means it can handle only one operation at
How do you prevent SQL Injection?

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