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Firebase - Interview Questions and Answers
What is the difference between Realtime Database and Cloud Firestore?
Data Model : Realtime Database uses a JSON tree structure, while Firestore uses a document-based model with collections and documents.

Querying : Firestore offers more powerful and complex querying capabilities.

Scalability : Firestore is designed for better scalability and performance, especially for large datasets.

Offline Capabilities : Both support offline capabilities, but Firestore's offline support is generally considered more robust.

Pricing : Realtime Database pricing is based on bandwidth and storage, while Firestore pricing is based on reads, writes, and storage.

In short, Firestore is the newer and more recommended database for most new projects.

Real-time Database : Older, JSON-based, real-time syncing, better for simple data structures, single-region hosting.

Cloud Firestore : Newer, document-collection model, supports complex queries, scalable, multi-region hosting, offline support.