DBMS > Firebase Realtime Database

Firebase Realtime Database System Properties

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Editorial information provided by DB-Engines

Name

Description

Cloud-hosted realtime document store. iOS, Android, and JavaScript clients share one Realtime Database instance and automatically receive updates with the newest data.

Primary database model

Document store

DB-Engines Ranking measures the popularity of database management systems
Trend Chart

Score	15.01
Rank	#36	Overall
	#5	Document stores

Website

firebase.google.com/products/realtime-database

Technical documentation

firebase.google.com/docs/database

Developer

Google

acquired by Google 2014

Initial release

2012

License

Commercial or Open Source

commercial

Cloud-based only

Only available as a cloud service

yes

DBaaS offerings (sponsored links)

Database as a Service

Providers of DBaaS offerings, please contact us to be listed.

Server operating systems

hosted

Data scheme

schema-free

Typing

predefined data types such as float or date

yes

XML support

Some form of processing data in XML format, e.g. support for XML data structures, and/or support for XPath, XQuery or XSLT.

Secondary indexes

yes

SQL

Support of SQL

APIs and other access methods

Android
iOS
JavaScript API
RESTful HTTP API

Supported programming languages

Java
JavaScript
Objective-C

Server-side scripts

Stored procedures

limited functionality with using 'rules'

Triggers

Callbacks are triggered when data changes

MapReduce

Offers an API for user-defined Map/Reduce methods

Consistency concepts

Methods to ensure consistency in a distributed system

Eventual Consistency

if the client is offline
Immediate Consistency

if the client is online

Foreign keys

Referential integrity

Transaction concepts

Support to ensure data integrity after non-atomic manipulations of data

yes

Concurrency

Support for concurrent manipulation of data

yes

Durability

Support for making data persistent

yes

User concepts

Access control

yes, based on authentication and database rules

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More resources

DB-Engines blog posts

Cloud-based DBMS's popularity grows at high rates
12 December 2019, Paul Andlinger

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Recent citations in the news

Realtime vs Cloud Firestore: Which Firebase Database to Choose
30 December 2025, appinventiv.com

Best Firebase alternatives for web development 2026
1 December 2025, Hostinger

Google just dropped what many are calling its Lovable killer — and in the process, quietly sunsetted its own Firebase Studio
24 March 2026, quasa.io

An Arduino library for ESP microcontrollers to interact with Firebase
7 July 2025, Adafruit

Google tests Firebase integration for AI Studio Build
25 January 2026, TestingCatalog

provided by Google News

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