DB-EnginesextremeDB - solve IoT connectivity disruptionsEnglish
Deutsch
Knowledge Base of Relational and NoSQL Database Management Systemsprovided by Redgate Software

DBMS > Apache Cassandra vs. Firebase Realtime Database vs. Google Cloud Datastore

System Properties Comparison Apache Cassandra vs. Firebase Realtime Database vs. Google Cloud Datastore

Please select another system to include it in the comparison.

Editorial information provided by DB-Engines
NameApache Cassandra  Xexclude from comparisonFirebase Realtime Database  Xexclude from comparisonGoogle Cloud Datastore  Xexclude from comparison
DescriptionWide-column store based on ideas of BigTable and DynamoDB infoOptimized for write accessCloud-hosted realtime document store. iOS, Android, and JavaScript clients share one Realtime Database instance and automatically receive updates with the newest data.Automatically scaling NoSQL Database as a Service (DBaaS) on the Google Cloud Platform
Primary database modelWide column storeDocument storeDocument store
Secondary database modelsVector DBMS infostarting with release V5
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score108.05
Rank#11  Overall
#1  Wide column stores
Score13.43
Rank#39  Overall
#6  Document stores
Score3.62
Rank#71  Overall
#12  Document stores
Websitecassandra.apache.orgfirebase.google.com/­products/­realtime-databasecloud.google.com/­datastore
Technical documentationcassandra.apache.org/­doc/­latestfirebase.google.com/­docs/­databasecloud.google.com/­datastore/­docs
DeveloperApache Software Foundation infoApache top level project, originally developped by FacebookGoogle infoacquired by Google 2014Google
Initial release200820122008
Current release5.0-rc1, July 2024
License infoCommercial or Open SourceOpen Source infoApache version 2commercialcommercial
Cloud-based only infoOnly available as a cloud servicenoyesyes
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageJava
Server operating systemsBSD
Linux
OS X
Windows
hostedhosted
Data schemeschema-freeschema-freeschema-free
Typing infopredefined data types such as float or dateyesyesyes, details here
XML support infoSome form of processing data in XML format, e.g. support for XML data structures, and/or support for XPath, XQuery or XSLT.nonono
Secondary indexesrestricted infoonly equality queries, not always the best performing solutionyesyes
SQL infoSupport of SQLSQL-like SELECT, DML and DDL statements (CQL)noSQL-like query language (GQL)
APIs and other access methodsProprietary protocol infoCQL (Cassandra Query Language, an SQL-like language)
Thrift
Android
iOS
JavaScript API
RESTful HTTP API
gRPC (using protocol buffers) API
RESTful HTTP/JSON API
Supported programming languagesC#
C++
Clojure
Erlang
Go
Haskell
Java
JavaScript infoNode.js
Perl
PHP
Python
Ruby
Scala
Java
JavaScript
Objective-C
.Net
Go
Java
JavaScript (Node.js)
PHP
Python
Ruby
Server-side scripts infoStored proceduresnolimited functionality with using 'rules'using Google App Engine
TriggersyesCallbacks are triggered when data changesCallbacks using the Google Apps Engine
Partitioning methods infoMethods for storing different data on different nodesSharding infono "single point of failure"Sharding
Replication methods infoMethods for redundantly storing data on multiple nodesselectable replication factor infoRepresentation of geographical distribution of servers is possibleMulti-source replication using Paxos
MapReduce infoOffers an API for user-defined Map/Reduce methodsyesnoyes infousing Google Cloud Dataflow
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual Consistency
Immediate Consistency infocan be individually decided for each write operation
Eventual Consistency infoif the client is offline
Immediate Consistency infoif the client is online
Immediate Consistency or Eventual Consistency depending on type of query and configuration infoStrong Consistency is default for entity lookups and queries within an Entity Group (but can instead be made eventually consistent). Other queries are always eventual consistent.
Foreign keys infoReferential integritynonoyes infovia ReferenceProperties or Ancestor paths
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datano infoAtomicity and isolation are supported for single operationsyesACID infoSerializable Isolation within Transactions, Read Committed outside of Transactions
Concurrency infoSupport for concurrent manipulation of datayesyesyes
Durability infoSupport for making data persistentyesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.nono
User concepts infoAccess controlAccess rights for users can be defined per objectyes, based on authentication and database rulesAccess rights for users, groups and roles based on Google Cloud Identity and Access Management (IAM)
More information provided by the system vendor
Apache CassandraFirebase Realtime DatabaseGoogle Cloud Datastore
News

How Frontkom Built a Supercharged Shopping Assistant for Norway’s Largest Door and Window Center
10 May 2025

Langflow 1.4: Organize Workflows. Connect with MCP.
7 May 2025

Leverage the Power of Hybrid Search in Langflow
2 May 2025

Two-Stage Retrieval in Enterprise Search: How Rerankers Improve AI
1 May 2025

DataStax Joins the OpenSearch Software Foundation
30 April 2025

We invite representatives of system vendors to contact us for updating and extending the system information,
and for displaying vendor-provided information such as key customers, competitive advantages and market metrics.

Related products and services

We invite representatives of vendors of related products to contact us for presenting information about their offerings here.

More resources
Apache CassandraFirebase Realtime DatabaseGoogle Cloud Datastore
DB-Engines blog posts

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

show all

Recent citations in the news

ScyllaDB announces Scylla 3.0, a NoSQL database surpassing Apache Cassandra in features
9 May 2025, Packt

Best practices for running Apache Cassandra with Amazon EBS
8 November 2024, Amazon Web Services

IBM plans to buy open source Cassandra wrangler DataStax
25 February 2025, theregister.com

Apache Cassandra survey highlights growing adoption for AI workloads
11 November 2024, Blocks and Files

New Apache Cassandra 5.0 gives open source NoSQL database a scalability and performance boost
6 September 2024, VentureBeat

provided by Google News

Supabase reels in $200M for its open-source relational database
22 April 2025, SiliconANGLE

iOS app Second Phone Number leaks texts, contact details
29 April 2025, TechHQ

Supabase vs. Firebase: Which BaaS is Best for Your App?
14 August 2024, Netguru

Inside FireScam : An Information Stealer with Spyware Capabilities
30 December 2024, cyfirma

Meditation app ‘7 Minute Chi’ exposes over 100,000 user records due to Firebase misconfiguration
2 May 2025, teiss

provided by Google News

Observability: cloud monitoring and logging
18 November 2024, Google Cloud

The 5 Best Lifetime Cloud Storage Deals
9 May 2025, Cloudwards.net

Google Cloud Security Blitz Attacks Email Phishing, Improves Visibility
4 May 2025, SDx Central

Best Cloud Storage Options for All Your Data in 2025
16 April 2025, CNET

Storage news ticker – April 11
11 April 2025, Blocks and Files

provided by Google News



Share this page

Featured Products

Datastax Astra logo

Bring all your data to Generative AI applications with vector search enabled by the most scalable
vector database available.
Try for Free

Neo4j logo

See for yourself how a graph database can make your life easier.
Use Neo4j online for free.

Milvus logo

Vector database designed for GenAI, fully equipped for enterprise implementation.
Try Managed Milvus for Free

SingleStore logo

The data platform to build your intelligent applications.
Try it free.

RaimaDB logo

RaimaDB, embedded database for mission-critical applications. When performance, footprint and reliability matters.
Try RaimaDB for free.

Present your product here