DB-EnginesInfluxDB download bannerEnglish
Deutsch
Knowledge Base of Relational and NoSQL Database Management Systemsprovided by solid IT

DBMS > Cassandra vs. IBM Db2 vs. Informix

System Properties Comparison Cassandra vs. IBM Db2 vs. Informix

Please select another system to include it in the comparison.

Editorial information provided by DB-Engines
NameCassandra  Xexclude from comparisonIBM Db2 infoformerly named DB2 or IBM Database 2  Xexclude from comparisonInformix  Xexclude from comparison
DescriptionWide-column store based on ideas of BigTable and DynamoDB infoOptimized for write accessCommon in IBM host environments, 2 different versions for host and Windows/LinuxA secure embeddable database from IBM, positioned besides DB2 as a relatively low-cost product optimized for OLTP and Internet of Things data
Primary database modelWide column storeRelational DBMS infoSince Version 10.5 support for JSON/BSON documents compatible with MongoDBRelational DBMS infoSince Version 12.10 support for JSON/BSON datatypes compatible with MongoDB
Secondary database modelsDocument store
RDF store infoin DB2 LUW (Linux, Unix, Windows)
Document store
Time Series DBMS infowith Informix TimeSeries Extension
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score123.22
Rank#10  Overall
#1  Wide column stores
Score170.77
Rank#6  Overall
#5  Relational DBMS
Score26.00
Rank#26  Overall
#15  Relational DBMS
Websitecassandra.apache.orgwww.ibm.com/­analytics/­us/­en/­db2www.ibm.com/­analytics/­informix
Technical documentationcassandra.apache.org/­doc/­latestwww.ibm.com/­support/­knowledgecenter/­SSEPGGinformix.hcldoc.com
www.ibm.com/­support/­knowledgecenter/­SSGU8G/­welcomeIfxServers.html
DeveloperApache Software Foundation infoApache top level project, originally developped by FacebookIBMIBM, HCL Technologies infoEffective May 1st, 2017, HCL took on development, technical support, and product management teams, and works jointly with IBM on product strategy, marketing, and sales.
Initial release20081983 infohost version1984
Current release3.11.4, February 201912.1, October 201614.10, March 2019
License infoCommercial or Open SourceOpen Source infoApache version 2commercial infofree version is availablecommercial infofree developer edition available
Cloud-based only infoOnly available as a cloud servicenonono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageJavaC and C++C, C++ and Java
Server operating systemsBSD
Linux
OS X
Windows
AIX
HP-UX
Linux
Solaris
Windows
z/OS
AIX
HP-UX
Linux
macOS
Solaris
Windows
Data schemeschema-freeyesyes
Typing infopredefined data types such as float or dateyesyesyes infoSince Version 12.10 support for JSON/BSON datatypes
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.no
Secondary indexesrestricted infoonly equality queries, not always the best performing solutionyesyes
SQL infoSupport of SQLSQL-like SELECT, DML and DDL statements (CQL)yesyes
APIs and other access methodsProprietary protocol infoCQL (Cassandra Query Language, an SQL-like language)
Thrift
JSON style queries infoMongoDB compatible
XQuery
ADO.NET
JDBC
ODBC
JSON API infoMongoDB compatible
MQTT (Message Queue Telemetry Transport)
RESTful HTTP API
JDBC
ODBC
Supported programming languagesC#
C++
Clojure
Erlang
Go
Haskell
Java
JavaScript infoNode.js
Perl
PHP
Python
Ruby
Scala
C
C#
C++
Cobol
Delphi
Fortran
Java
Perl
PHP
Python
Ruby
Visual Basic
.Net
C
C++
Java
JavaScript (Node.js)
PHP
Python
Ruby
Server-side scripts infoStored proceduresnoyesyes
Triggersyesyesyes
Partitioning methods infoMethods for storing different data on different nodesSharding infono "single point of failure"Sharding infoonly with Windows/Unix/Linux VersionSharding
Replication methods infoMethods for redundantly storing data on multiple nodesselectable replication factor infoRepresentation of geographical distribution of servers is possibleyes infowith separate tools (MQ, InfoSphere)Master-master replication
Master-slave replication
MapReduce infoOffers an API for user-defined Map/Reduce methodsyesnono
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual Consistency
Immediate Consistency infocan be individually decided for each write operation
Immediate Consistency
Foreign keys infoReferential integritynoyesyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datano infoAtomicity and isolation are supported for single operationsACIDACID
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.noyes
User concepts infoAccess controlAccess rights for users can be defined per objectfine grained access rights according to SQL-standardUsers with fine-grained authentication, authorization, and auditing controls
More information provided by the system vendor
CassandraIBM Db2 infoformerly named DB2 or IBM Database 2Informix
Specific characteristicsApache Cassandra is the leading NoSQL, distributed database management system, well...
» more
Competitive advantagesNo single point of failure ensures 100% availability . Operational simplicity for...
» more
Typical application scenariosInternet of Things (IOT), fraud detection applications, recommendation engines, product...
» more
Key customersApple, Netflix, Uber, ING,, Intuit,Fidelity, NY Times, Outbrain, BazaarVoice, Best...
» more
Market metricsCassandra is used by 40% of the Fortune 100.
» more
Licensing and pricing modelsApache license  Pricing for commercial distributions provided by DataStax and available...
» more

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
3rd partiesCData: Connect to Big Data & NoSQL through standard Drivers.
» more

Instaclustr: Fully Hosted and Managed Apache Cassandra
» more

DataStax Enterprise: Apache Cassandra for enterprises.
» more
General SQL Parser: Instantly adding parsing, decoding, analysis and rewrite SQL processing capability to your products.
» more

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

More resources
CassandraIBM Db2 infoformerly named DB2 or IBM Database 2Informix
DB-Engines blog posts

Cassandra keeps climbing the ranks of the DB-Engines Ranking
3 May 2016, Matthias Gelbmann

Oracle is the DBMS of the Year
5 January 2016, Paul Andlinger, Matthias Gelbmann

Winners, losers and an attractive newcomer in Novembers DB-Engines ranking
2 November 2015, Paul Andlinger

show all

Conferences and events

DataStax Accelerate
San Diego, California, USA, 11-13 May 2020

IDUG Db2 Tech Conference Europe 2019
Rotterdam, Netherlands, 29-24 October 2019

Recent citations in the news

Introducing Jakarta NoSQL
15 October 2019, InfoQ.com

DataStax Grants Early Access to CDC Connector for Kafka
10 October 2019, Database Trends and Applications

YugaByte's distributed database gets GraphQL integration, Jepsen testing in a major update
17 September 2019, The Next Web

DataStax Announces Change Data Capture (CDC) Connector for Apache Kafka®
30 September 2019, Valdosta Daily Times

DataStax offers bidirectional data dexterity for Apache Kafka
6 October 2019, ComputerWeekly.com

provided by Google News

DBmaestro Brings Database Release Automation to MySQL, MariaDB and RDS
15 October 2019, PRNewswire

IBM Patches Privilege Escalation Flaw In Db2 Mirror
18 September 2019, IT Jungle

Monoliths, Microservices, and IBM i Modernization: Part 2
14 October 2019, IT Jungle

IBM Injects 'Data Science' AI Into Its Db2 Database
4 June 2019, Forbes

Senior z/VM Systems Programmer - Ensono
8 October 2019, Built In Chicago

provided by Google News

Former Silicon Valley tech executive hauled into federal court
15 October 2019, The Mercury News

InfluxData puts a time stamp on the data deluge
14 October 2019, IDG Connect

Oracle Founder Larry Ellison on Uber, Tesla, AI, and Self-Driving Cars
20 September 2019, Barron's

The Journey: Ted Murphy
13 September 2019, Nashville Post

What Is Larry Ellison's Net Worth?
24 September 2019, TheStreet.com

provided by Google News

Job opportunities

Data Architect (Remote)
First San Francisco Partners, Remote

Cassandra Database Engineer
Synchronoss, Bridgewater, NJ

Database Engineer
Geologics Corporation, Richardson, TX

Database Engineer (i360)
KOCH INDUSTRIES INC, Arlington, VA

Database Reliability Engineer
Yelp, San Francisco, CA

Senior Enterprise Data Architect
Country Financial, Alpharetta, GA

Information Systems Specialist (Audit Division)
BB&T, Charlotte, NC

Database Developer/Architect - Senior
Perspecta, Washington, DC

SQL Server DBA/Developer
Core Software, New York, NY

Sr. Solutions Architect - Data & Analytics
Sirius Computer Solutions, Inc., Boston, MA

Java Developer
SDH Systems, Plano, TX

Database Analyst/Administrator
Rady Children's Hospital-San Diego, San Diego, CA

Tier 2 Programmer/Developer
ActioNet, Washington, DC

Quality Control Clerk - 1st Shift
Inmar, Fort Worth, TX

ETL Tools Specialist
Daman Incorporated, Austin, TX

jobs by Indeed




Share this page

Featured Products

Couchbase logo

SQL + JSON + NoSQL.
Power, flexibility & scale.
All open source.
Get started now.

RavenDB logo

Setup a fully managed RavenDB Cloud Database in minutes. Enjoy hosting, management, backups all in one place.
Grab a Free Instance

Redis logo

Hosted, serverless DBaaS
in 3 steps.

30MB Free!
Start now.

Neo4j logo

Get your free copy of the new O'Reilly book Graph Algorithms with 20+ examples for
machine learning, graph analytics and more.

Present your product here