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Welcome to the iwantcoding.com MongoDB Tutorial. MongoDB is the most popular document database. Flexible schemas, JSON-like documents, and a powerful aggregation pipeline make it a natural fit when your data shape evolves with your product.
What this tutorial covers
| Chapter | You will learn |
|---|---|
| MongoDB Basics | Install / Atlas, collections, documents, the shell, BSON types, CRUD. |
| Querying | Filters, projections, sort / skip / limit, indexes, aggregation pipeline. |
| Schema Design | Embed vs reference, denormalisation, transactions, schema validation. |
| Operations | Replica sets, sharding, backups, change streams, security. |
| Examples | Cheatsheet, runnable snippets, quiz, exercises, bootcamp, certificate. |
Who this is for
- App devs with rapidly evolving data shapes.
- Node.js teams using Mongoose / the official driver.
- Anyone building real-time / analytics features on Atlas.
How to use this tutorial: read the chapter, run the example with Try it Yourself », do the exercise, then take the quiz at the bottom. Hit Mark complete when you're done — the sidebar will track your progress.
Example
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