DB-EnginesExtremeDB Active Replication featuresEnglish
Deutsch
Knowledge Base of Relational and NoSQL Database Management Systemsprovided by solid IT

DBMS > Citus vs. IBM Db2 warehouse vs. InterSystems IRIS

System Properties Comparison Citus vs. IBM Db2 warehouse vs. InterSystems IRIS

Please select another system to include it in the comparison.

Editorial information provided by DB-Engines
NameCitus  Xexclude from comparisonIBM Db2 warehouse infoformerly named IBM dashDB  Xexclude from comparisonInterSystems IRIS  Xexclude from comparison
DescriptionScalable hybrid operational and analytics RDBMS for big data use cases based on PostgreSQLCloud-based data warehousing serviceA containerised multi-model DBMS, interoperability and analytics data platform with wide capabilities for vertical and horizontal scalability
Primary database modelRelational DBMSRelational DBMSDocument store
Key-value store
Object oriented DBMS
Relational DBMS
Secondary database modelsDocument store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score1.43
Rank#143  Overall
#70  Relational DBMS
Score1.80
Rank#127  Overall
#62  Relational DBMS
Score1.69
Rank#134  Overall
#21  Document stores
#24  Key-value stores
#3  Object oriented DBMS
#65  Relational DBMS
Websitewww.citusdata.comwww.ibm.com/­products/­db2-warehousewww.intersystems.com/­products/­intersystems-iris
Technical documentationdocs.citusdata.comdocs.intersystems.com/­irislatest/­csp/­docbook/­DocBook.UI.Page.cls
DeveloperIBMInterSystems
Initial release201020142018
Current release8.1, December 20182020.2, July 2020
License infoCommercial or Open SourceOpen Source infoAGPL, commercial license also availablecommercialcommercial
Cloud-based only infoOnly available as a cloud servicenoyesno
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageC
Server operating systemsLinuxhostedAIX
Linux
macOS
Windows
Data schemeyesyesdepending on used data model
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.yes infospecific XML type available, but no XML query functionalityno infoImport/export of XML data possibleyes
Secondary indexesyesyesyes
SQL infoSupport of SQLyes infostandard, with numerous extensionsyesyes
APIs and other access methodsADO.NET
JDBC
native C library
ODBC
streaming API for large objects
.NET Client API
JDBC
ODBC
OLE DB
JDBC
ODBC
RESTful HTTP API
Supported programming languages.Net
C
C++
Delphi
Java
JavaScript (Node.js)
Perl
PHP
Python
Tcl
Java
JavaScript (Node.js)
Perl
PHP
Python
R
Ruby
.Net
C++
Java
JavaScript (Node.js)
Python
Server-side scripts infoStored proceduresuser defined functions inforealized in proprietary language PL/pgSQL or with common languages like Perl, Python, Tcl etc.PL/SQL, SQL PLyes
Triggersyesyesyes
Partitioning methods infoMethods for storing different data on different nodesShardingShardingSharding
Replication methods infoMethods for redundantly storing data on multiple nodesSource-replica replication infoother methods possible by using 3rd party extensionsyesSource-replica replication
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integrityyesyesyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDACIDACID
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.noyesyes
User concepts infoAccess controlfine grained access rights according to SQL-standardfine grained access rights according to SQL-standardyes
More information provided by the system vendor
CitusIBM Db2 warehouse infoformerly named IBM dashDBInterSystems IRIS
Specific characteristicsInterSystems IRIS is a complete cloud-first data platform which includes a multi-model...
» 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

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

More resources
CitusIBM Db2 warehouse infoformerly named IBM dashDBInterSystems IRIS
Recent citations in the news

Build 2021: Microsoft announces new features for Azure database services
20 May 2021, Illinoisnewstoday.com

Build 2021: Microsoft reveals Power BI enhancements to Cosmos DB
23 June 2021, Illinoisnewstoday.com

Build 2021: Microsoft announces new capabilities for Azure database services
25 May 2021, OnMSFT.com

Hadoop Big Data Analytics Market Key Challenges, Frontiers of Growth & Forecast upto 2027 – The Manomet Current
18 June 2021, The Manomet Current

Deploying a Data Warehouse With PostgreSQL
2 June 2021, CDOTrends

provided by Google News

8 databases supporting in-database machine learning
28 April 2021, InfoWorld

IBM Db2 - The AI Database
15 May 2020, Express Computer

So, the data lakehouse is now officially a 'thing' – what is it and why should you care?
20 January 2021, S&P Global

Cloud Data Warehousing: Understanding Your Options
1 April 2021, Datanami

IBM Positioned as a Leader In 2020 Gartner Magic Quadrant for Cloud Database Management Systems
3 December 2020, AiThority

provided by Google News

Latest Release of InterSystems IRIS Data Platform Provides Next Step in Data Fabric Adoption
17 June 2021, Business Wire

InterSystems adds data fabric capability to multi-modal platform
21 June 2021, VentureBeat

Ministry of Defence selects InterSystems to deliver on interoperability
10 June 2021, Digital Health

InterSystems announces availability of InterSystems IRIS on AWS Quick Start
20 April 2021, Bobsguide

InterSystems IRIS Data Platform Available as Fully Managed Service for AWS
17 March 2021, Business Wire

provided by Google News

Job opportunities

Software Engineer, Data Platform (Senior/Staff)
Heap, California

N2
Samsung Electronics, Plano, TX

Mgr, IT Systems
Cyxtera Management, Addison, TX

Big Data Engineer
Semantic AI, San Diego, CA

Cloud Database Development Manager
IBM, San Jose, CA

Middleware Administrator
Snap IT Solutions, Houston, TX

Client Technical Specialist
IBM, Austin, TX

Hybrid Data Management (HM) Cloud Program Manager
IBM, Austin, TX

Financial Services Sales Manager
InterSystems, Cambridge, MA

Manager Database Admin
Community Foundation of Northwest Indiana, Inc., East Chicago, IN

Operations Specialist
InterSystems, Cambridge, MA

IT Database Administrator - UC Health Business Center - IS&T
UC Health, Cincinnati, OH

Business Analyst, Veterans Affairs
Peraton, Herndon, VA

jobs by Indeed




Share this page

Featured Products

MariaDB logo

SkySQL, the ultimate
MariaDB cloud, is here.

Get started with SkySQL today!

Vertica logo

The fastest unified analytical warehouse at extreme scale with in-database Machine Learning. Try Vertica for free with no time limit.

Neo4j logo

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

Couchbase logo

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

Datastax Astra logo

Build cloud-native apps fast with Astra, the open-source, multi-cloud stack for
modern data apps.
Get started with 5 GB free..

Present your product here