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Introduction to the Firebase Realtime Database

Explore how to implement the Firebase Realtime Database in your web applications. Understand its real-time syncing, offline data persistence, and security rules setup to control user access. This lesson guides you through enabling and initializing the database while preparing you to manage data effectively.

The Firebase Realtime Database is a scalable, real-time NoSQL cloud database provided by Firebase for storing application data. Data is stored as a JSON tree and synchronized in real time across multiple client applications.

How it works

The Firebase Realtime Database lets us store and sync data between users in real time. This makes it easy for users to access their data on any device—web or mobile— and helps users collaborate. Whenever data is updated in the Realtime Database, it stores the data in the cloud and updates all connected devices instantly. The Firebase Realtime Database persists data to the local cache, therefore making it optimized for offline usage. ...