Firebase realtime database delete child

Cloud Datastore automatically scales as you need it and supports transactions as well as robust, SQL-like queries . What is Cloud Firestore? NoSQL database built for global apps. Cloud Firestore is a NoSQL document database that lets you easily store, sync, and query data for your mobile and web apps – at global scale.

A real-time database is a database system which uses real-time processing to handle workloads whose state is constantly changing . This differs from traditional databases containing persistent data, mostly unaffected by time. For example, a stock market changes very rapidly and is dynamic.

You can use both Firebase Realtime Database and Cloud Firestore in your app , and leverage each database solution’s benefits to fit your needs. For example, you might want to leverage Realtime Database’s support for presence, as outlined in Build Presence in Cloud Firestore.