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DBMS > IBM Db2 vs. Informix vs. UniData,UniVerse

System Properties Comparison IBM Db2 vs. Informix vs. UniData,UniVerse

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Editorial information provided by DB-Engines
NameIBM Db2 infoformerly named DB2 or IBM Database 2  Xexclude from comparisonInformix  Xexclude from comparisonUniData,UniVerse  Xexclude from comparison
DescriptionCommon 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 dataMultiValue database and application server with SQL mapping layer and meta database capabilities
Primary database modelRelational 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 MongoDBMultivalue DBMS
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
Score171.56
Rank#6  Overall
#5  Relational DBMS
Score25.40
Rank#27  Overall
#15  Relational DBMS
Score3.18
Rank#79  Overall
#2  Multivalue DBMS
Websitewww.ibm.com/­analytics/­us/­en/­db2www.ibm.com/­analytics/­informixwww.rocketsoftware.com/­products/­rocket-u2
Technical documentationwww.ibm.com/­support/­knowledgecenter/­SSEPGGinformix.hcldoc.com
www.ibm.com/­support/­knowledgecenter/­SSGU8G/­welcomeIfxServers.html
www.rocketsoftware.com/­products/­rocket-u2/­documentation
DeveloperIBMIBM, 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.Rocket Software
Initial release1983 infohost version19841985
Current release12.1, October 201614.10, March 2019
License infoCommercial or Open Sourcecommercial infofree version is availablecommercial infofree developer edition availablecommercial
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 languageC and C++C, C++ and JavaC
Server operating systemsAIX
HP-UX
Linux
Solaris
Windows
z/OS
AIX
HP-UX
Linux
macOS
Solaris
Windows
AIX
HP-UX
Linux
Solaris
Windows
Data schemeyesyesschema-free
Typing infopredefined data types such as float or dateyesyes infoSince Version 12.10 support for JSON/BSON datatypesoptional
Secondary indexesyesyesyes
SQL infoSupport of SQLyesyesyes
APIs and other access methodsJSON style queries infoMongoDB compatible
XQuery
ADO.NET
JDBC
ODBC
JSON API infoMongoDB compatible
MQTT (Message Queue Telemetry Transport)
RESTful HTTP API
JDBC
ODBC
Java API infoJPA
OLE DB
Proprietary protocol
RESTful HTTP API
SOAP-based API
JDBC
ODBC
Supported programming languagesC
C#
C++
Cobol
Delphi
Fortran
Java
Perl
PHP
Python
Ruby
Visual Basic
.Net
C
C++
Java
JavaScript (Node.js)
PHP
Python
Ruby
.Net
Basic infoU2 Basic
C
Java
Server-side scripts infoStored proceduresyesyesyes
Triggersyesyesyes infoU2 Basic
Partitioning methods infoMethods for storing different data on different nodesSharding infoonly with Windows/Unix/Linux VersionShardingnone
Replication methods infoMethods for redundantly storing data on multiple nodesyes infowith separate tools (MQ, InfoSphere)Master-master replication
Master-slave replication
Master-slave replication
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate Consistency
Foreign keys infoReferential integrityyesyesno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDACIDACID infoconfigurable
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.yes
User concepts infoAccess controlfine grained access rights according to SQL-standardUsers with fine-grained authentication, authorization, and auditing controlsAccess rights according to SQL-standard and operating system based

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More resources
IBM Db2 infoformerly named DB2 or IBM Database 2InformixUniData,UniVerse
Conferences and events

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

IIUG Informix Conference 2019
Los Angeles, California, USA, 22-26 September 2019

Recent citations in the news

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

Weighing the use of third-party database administration tools
19 September 2019, TechTarget

High-Performance Data Encryption and Db2
20 September 2019, Toolbox

Top 8 Cloud Data Warehouses
10 September 2019, Datamation

Fresche Hires Database Modernization Expert
11 September 2019, IT Jungle

provided by Google News

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

Relational Databases Software Market to Witness Huge Growth by 2025 | Microsoft, MySQL, Oracle, SAP
20 September 2019, OnYourDesks

The Confluence of HPC and AI - Intel Customer Use Cases
30 August 2019, insideHPC

Embedded Database Management Systems Market Detail Analysis focusing on Application, Types and Regional Outlook
16 September 2019, NewsStoner

Growth & Opportunities in Global Relational Databases Software Market 2019 | Global Industry Analysis, Size, Share, Growth, Trends and Forecast 2019-2026 | Top Key Companies like Microsoft, MySQL, Oracle, SAP, PostgreSQL, Amazon RDS, IBM, MariaDB, Informix, Teradata, SQLite & Others
26 August 2019, Market Expert

provided by Google News

Reader's Choose the Best MV Databases in this Year's DBTA Readers' Choice Awards
28 August 2019, Database Trends and Applications

Telia Carrier Welcomes Unidata to its Rome PoP
15 January 2019, Business Wire

Rocket Software Continues Modernization of UniData
26 July 2017, PR Newswire

Data + software services
21 August 2018, UCAR

Rocket UniData Named 2018 Trend-Setting Product by DBTA
27 December 2017, Business Wire

provided by Google News

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