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

DBMS > Cassandra vs. Datastax Enterprise vs. IBM Db2

System Properties Comparison Cassandra vs. Datastax Enterprise vs. IBM Db2

Please select another system to include it in the comparison.

Editorial information provided by DB-Engines
NameCassandra  Xexclude from comparisonDatastax Enterprise  Xexclude from comparisonIBM Db2 infoformerly named DB2 or IBM Database 2  Xexclude from comparison
DescriptionWide-column store based on ideas of BigTable and DynamoDB infoOptimized for write accessDataStax Enterprise (DSE) is the always-on, scalable data platform built on Apache Cassandra and designed for hybrid Cloud. DSE integrates graph, search, analytics, administration, developer tooling, and monitoring into a unified platform.Common in IBM host environments, 2 different versions for host and Windows/Linux
Primary database modelWide column storeWide column storeRelational DBMS infoSince Version 10.5 support for JSON/BSON documents compatible with MongoDB
Secondary database modelsDocument store
Graph DBMS
Document store
RDF store infoin DB2 LUW (Linux, Unix, Windows)
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score123.40
Rank#10  Overall
#1  Wide column stores
Score8.63
Rank#42  Overall
#4  Wide column stores
Score171.56
Rank#6  Overall
#5  Relational DBMS
Websitecassandra.apache.orgwww.datastax.com/­products/­datastax-enterprisewww.ibm.com/­analytics/­us/­en/­db2
Technical documentationcassandra.apache.org/­doc/­latestdocs.datastax.comwww.ibm.com/­support/­knowledgecenter/­SSEPGG
DeveloperApache Software Foundation infoApache top level project, originally developped by FacebookDataStaxIBM
Initial release200820111983 infohost version
Current release3.11.4, February 20196.7, December 201812.1, October 2016
License infoCommercial or Open SourceOpen Source infoApache version 2commercialcommercial infofree version is 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 languageJavaJavaC and C++
Server operating systemsBSD
Linux
OS X
Windows
Linux
OS X
AIX
HP-UX
Linux
Solaris
Windows
z/OS
Data schemeschema-freeschema-freeyes
Typing infopredefined data types such as float or dateyesyesyes
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.nono
Secondary indexesrestricted infoonly equality queries, not always the best performing solutionyesyes
SQL infoSupport of SQLSQL-like SELECT, DML and DDL statements (CQL)SQL-like DML and DDL statements (CQL); Spark SQLyes
APIs and other access methodsProprietary protocol infoCQL (Cassandra Query Language, an SQL-like language)
Thrift
Proprietary protocol infoCQL (Cassandra Query Language)
TinkerPop Gremlin infowith DSE Graph
JSON style queries infoMongoDB compatible
XQuery
ADO.NET
JDBC
ODBC
Supported programming languagesC#
C++
Clojure
Erlang
Go
Haskell
Java
JavaScript infoNode.js
Perl
PHP
Python
Ruby
Scala
C
C#
C++
Java
JavaScript (Node.js)
PHP
Python
Ruby
C
C#
C++
Cobol
Delphi
Fortran
Java
Perl
PHP
Python
Ruby
Visual Basic
Server-side scripts infoStored proceduresnonoyes
Triggersyesyesyes
Partitioning methods infoMethods for storing different data on different nodesSharding infono "single point of failure"Sharding infono "single point of failure"Sharding infoonly with Windows/Unix/Linux Version
Replication methods infoMethods for redundantly storing data on multiple nodesselectable replication factor infoRepresentation of geographical distribution of servers is possibleconfigurable replication factor, datacenter aware, advanced replication for edge computingyes infowith separate tools (MQ, InfoSphere)
MapReduce infoOffers an API for user-defined Map/Reduce methodsyesyesno
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual Consistency
Immediate Consistency infocan be individually decided for each write operation
Tunable Consistency infoconsistency level can be individually decided with each write operation
Immediate Consistency
Foreign keys infoReferential integritynonoyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datano infoAtomicity and isolation are supported for single operationsno infoAtomicity and isolation are supported for single operationsACID
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 objectAccess rights for users can be defined per objectfine grained access rights according to SQL-standard
More information provided by the system vendor
CassandraDatastax EnterpriseIBM Db2 infoformerly named DB2 or IBM Database 2
Specific characteristicsApache Cassandra is the leading NoSQL, distributed database management system, well...
» more
100% continuous availability, real-time, distributed, massive scale data management...
» more
Competitive advantagesNo single point of failure ensures 100% availability . Operational simplicity for...
» more
Supporting the following application requirements: Contextual: complete data layer...
» more
Typical application scenariosInternet of Things (IOT), fraud detection applications, recommendation engines, product...
» more
Applications that must serve contextual information and be always-on, distributed,...
» more
Key customersApple, Netflix, Uber, ING,, Intuit,Fidelity, NY Times, Outbrain, BazaarVoice, Best...
» more
Capital One, Cisco, Comcast, eBay, McDonald’s, Microsoft, Safeway, Sony, UBS, and...
» more
Market metricsCassandra is used by 40% of the Fortune 100.
» more
Among the Forbes 100 Most Innovative Companies, DataStax is trusted by 5 of the top...
» more
Licensing and pricing modelsApache license  Pricing for commercial distributions provided by DataStax and available...
» more
Annual subscription
» 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 partiesInstaclustr: Fully Hosted and Managed Apache Cassandra
» more

CData: Connect to Big Data & NoSQL through standard Drivers.
» 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
CassandraDatastax EnterpriseIBM Db2 infoformerly named DB2 or IBM Database 2
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

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

Recent citations in the news

Tutorial: Getting started with Apache Cassandra
3 September 2019, JAXenter

KCF Technologies taps Rubrik for Cassandra backup
6 September 2019, TechTarget

Why you should be looking at Cassandra for cloud -
10 September 2019, Enterprise Times

Thwarting Digital Ad Fraud at Scale: An Open Source Experiment with Anomaly Detection
16 September 2019, AiThority

ScyllaDB takes on Amazon with new DynamoDB migration tool
11 September 2019, TechCrunch

provided by Google News

DataStax to Discuss Next-Gen App Development in Hybrid Cloud at VMworld 2019
26 August 2019, Business Wire

Examining Top Data Management Firms in the 2019 Forbes Cloud 100
11 September 2019, Solutions Review

Why you should be looking at Cassandra for cloud -
10 September 2019, Enterprise Times

Danish MobilePay app moves away from mainframe
4 September 2019, ComputerWeekly.com

Graphileon to Support DataStax Enterprise Graph
17 June 2019, Business Wire

provided by Google News

IBM Lab Services: Your IBM i All-Star Team
16 September 2019, IT Jungle

IBM Db2 for z/OS Useful Features
19 August 2019, Database Journal

Fresche Hires Database Modernization Expert
11 September 2019, IT Jungle

Top 8 Cloud Data Warehouses
10 September 2019, Datamation

How IBM Is Turning Db2 into an 'AI Database'
3 June 2019, Datanami

provided by Google News

Job opportunities

Data Engineer
DST Systems, Kansas City, MO

DATABASE ARCHITECT & DATA MODELER
Collins Aerospace, Annapolis, MD

Data Engineer
AETNA, New York, NY

Data Lab Architect
Amazon.com Services, Inc., Seattle, WA

Data Engineer
RBC, Raleigh, NC

Datastage/Hadoop Developer
Mobile Programming LLC, Plano, TX

Digital Insights Consultant III
Valorem Reply, Kansas City, MO

Digital Insights Consultant III
Valorem, Kansas City, MO

Database Modeler
SAIC, Alexandria, VA

Principle Software Engineer
UnitedHealth Group, Boston, MA

IT Specialist
IBM, Armonk, NY

Staff Database Engineer
Visa, Palo Alto, CA

Senior Database Adminstrator
Copart, Dallas, TX

Entry Level to Senior Level Database Administrators
STRATEDGE, United States

Developer Senior or Advisor (Mainframe / Cobol)
Anthem, Inc., United States

jobs by Indeed




Share this page

Featured Products

AllegroGraph logo

Graph Database Leader for AI Knowledge Graph Applications - The Most Secure Graph Database Available.
Free Download

Couchbase logo

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

Redis logo

Start now with Redis Cloud
Secure, highly available Redis as a serverless, hosted, fully managed cloud service.
Sign up here.

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