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DBMS > Apache Cassandra vs. Immudb vs. RethinkDB

System Properties Comparison Apache Cassandra vs. Immudb vs. RethinkDB

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Editorial information provided by DB-Engines
NameApache Cassandra  Xexclude from comparisonImmudb  Xexclude from comparisonRethinkDB  Xexclude from comparison
DescriptionWide-column store based on ideas of BigTable and DynamoDB infoOptimized for write accessAn open source immutable (append-only) database with cryptographic verification which makes it tamper-resistant and fully auditable.DBMS for the Web with a mechanism to push updated query results to applications in realtime.
Primary database modelWide column storeKey-value storeDocument store
Secondary database modelsVector DBMS infostarting with release V5Relational DBMSSpatial DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score108.21
Rank#11  Overall
#1  Wide column stores
Score0.25
Rank#292  Overall
#42  Key-value stores
Score2.27
Rank#105  Overall
#19  Document stores
Websitecassandra.apache.orggithub.com/­codenotary/­immudb
immudb.io
rethinkdb.com
Technical documentationcassandra.apache.org/­doc/­latestdocs.immudb.iorethinkdb.com/­docs
DeveloperApache Software Foundation infoApache top level project, originally developped by FacebookCodenotaryThe Linux Foundation infosince July 2017
Initial release200820202009
Current release5.0-rc1, July 20241.2.3, April 20222.4.1, August 2020
License infoCommercial or Open SourceOpen Source infoApache version 2Open Source infoApache Version 2.0Open Source infoApache Version 2
Cloud-based only infoOnly available as a cloud servicenonono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageJavaGoC++
Server operating systemsBSD
Linux
OS X
Windows
BSD
Linux
macOS
Solaris
Windows
z/OS
Linux
OS X
Windows
Data schemeschema-freeschema-freeschema-free
Typing infopredefined data types such as float or dateyesyes infostring, binary, float, bool, date, geometry
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)SQL-like syntaxno
APIs and other access methodsProprietary protocol infoCQL (Cassandra Query Language, an SQL-like language)
Thrift
gRPC protocol
PostgreSQL wire protocol
Supported programming languagesC#
C++
Clojure
Erlang
Go
Haskell
Java
JavaScript infoNode.js
Perl
PHP
Python
Ruby
Scala
.Net
Go
Java
JavaScript (Node.js)
Python
C infocommunity-supported driver
C# infocommunity-supported driver
C++ infocommunity-supported driver
Clojure infocommunity-supported driver
Dart infocommunity-supported driver
Erlang infocommunity-supported driver
Go infocommunity-supported driver
Haskell infocommunity-supported driver
Java infoofficial driver
JavaScript (Node.js) infoofficial driver
Lisp infocommunity-supported driver
Lua infocommunity-supported driver
Objective-C infocommunity-supported driver
Perl infocommunity-supported driver
PHP infocommunity-supported driver
Python infoofficial driver
Ruby infoofficial driver
Scala infocommunity-supported driver
Server-side scripts infoStored proceduresnono
TriggersyesnoClient-side triggers through changefeeds
Partitioning methods infoMethods for storing different data on different nodesSharding infono "single point of failure"ShardingSharding inforange based
Replication methods infoMethods for redundantly storing data on multiple nodesselectable replication factor infoRepresentation of geographical distribution of servers is possibleSource-replica replication
MapReduce infoOffers an API for user-defined Map/Reduce methodsyesnoyes
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual Consistency
Immediate Consistency infocan be individually decided for each write operation
Immediate ConsistencyImmediate Consistency
Foreign keys infoReferential integritynonono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datano infoAtomicity and isolation are supported for single operationsACIDAtomic single-document operations
Concurrency infoSupport for concurrent manipulation of datayesyesyes infoMVCC based
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.nonono
User concepts infoAccess controlAccess rights for users can be defined per objectyes infousers and table-level permissions
More information provided by the system vendor
Apache CassandraImmudbRethinkDB
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More resources
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Recent citations in the news

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

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

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

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

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9 September 2024, techzine.eu

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immudb Gains Market Momentum as the Leading Immutable Database for Secure and Tamper-Proof Data Storage
11 March 2025, Business Wire

A Step by Step Guide to immudb — the open source immutable database
18 May 2020, HackerNoon

Codenotary brings its immutable database to the cloud
21 June 2023, TechCrunch

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17 August 2022, Blocks and Files

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4 February 2022, ZDNET

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How to Use RethinkDB with Node.js Applications
7 November 2024, SitePoint

An introduction to building realtime apps with RethinkDB
4 June 2015, devmio

RethinkDB is dead, and MongoDB isn’t what killed it
24 January 2017, TechRepublic

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11 July 2021, Towards Data Science

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10 June 2022, openPR.com

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