Google Firestore

Firestore is a flexible, scalable database for mobile, web, and server development from Firebase and Google Cloud.

Key Features

• NoSQL: Document-oriented database.
• Real-time: Sync data across client apps in real-time.
• Offline: Offline support for mobile and web SDKs.

Use Cases

• Mobile Apps: User profiles, chat messages, product catalogs.
• Web Apps: Collaborative applications.

Key Concepts

• Documents: Data records (JSON-like).
• Collections: Containers for documents.
• Native Mode vs Datastore Mode: Two modes of operation (Native is recommended for new mobile/web apps).