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DBMS > EXASOL vs. IBM Db2 vs. Informix

System Properties Comparison EXASOL vs. IBM Db2 vs. Informix

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Editorial information provided by DB-Engines
NameEXASOL  Xexclude from comparisonIBM Db2 infoformerly named DB2 or IBM Database 2  Xexclude from comparisonInformix  Xexclude from comparison
DescriptionHigh-performance, in-memory, MPP database specifically designed for in-memory analytics.Common 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 modelRelational DBMSRelational 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
Score2.91
Rank#85  Overall
#43  Relational DBMS
Score170.77
Rank#6  Overall
#5  Relational DBMS
Score26.00
Rank#26  Overall
#15  Relational DBMS
Websitewww.exasol.com/­en/­productswww.ibm.com/­analytics/­us/­en/­db2www.ibm.com/­analytics/­informix
Technical documentationwww.exasol.com/­en/­community/­resourceswww.ibm.com/­support/­knowledgecenter/­SSEPGGinformix.hcldoc.com
www.ibm.com/­support/­knowledgecenter/­SSGU8G/­welcomeIfxServers.html
DeveloperExasolIBMIBM, 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 release20001983 infohost version1984
Current release12.1, October 201614.10, March 2019
License infoCommercial or Open Sourcecommercialcommercial 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 languageC and C++C, C++ and Java
Server operating systemsAIX
HP-UX
Linux
Solaris
Windows
z/OS
AIX
HP-UX
Linux
macOS
Solaris
Windows
Data schemeyesyesyes
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 indexesyesyesyes
SQL infoSupport of SQLyesyesyes
APIs and other access methods.Net
WebSocket
JDBC
ODBC
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 languagesJava
Lua
Python
R
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 proceduresuser defined functionsyesyes
Triggersyesyesyes
Partitioning methods infoMethods for storing different data on different nodesShardingSharding infoonly with Windows/Unix/Linux VersionSharding
Replication methods infoMethods for redundantly storing data on multiple nodesyes infowith separate tools (MQ, InfoSphere)Master-master replication
Master-slave replication
MapReduce infoOffers an API for user-defined Map/Reduce methodsyes infoHadoop integrationnono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate 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.yesyes
User concepts infoAccess controlAccess rights for users, groups and roles according to SQL-standardfine grained access rights according to SQL-standardUsers with fine-grained authentication, authorization, and auditing controls

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More resources
EXASOLIBM Db2 infoformerly named DB2 or IBM Database 2Informix
Conferences and events

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

Recent citations in the news

Exasol Survey: Nearly Two Thirds of Analytics Projects Are Jeopardized Due to Poor Access to the Right Data
15 October 2019, Business Wire

Exasol Powers Data Democratization for the Global Goals Agreed by World Leaders
25 September 2019, Business Wire

Exasol Helps Grant Street Group Provide Next-Generation Government Software
2 October 2019, Yahoo Finance

New Survey: Nearly Two Thirds of Analytics Projects Are Jeopardized Due to Poor Access to the Right Data
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15 October 2019, Yahoo Finance

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

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

Embedded Database Management Systems: Market Expanding Massively by 2019-2024 Profiling Leading Players – Software AG, Oracle, Centura Software, Informix, PointBase, IBM, Microsoft
23 October 2019, The Chicago Sentinel

Former Informix Executive Hauled Into Court On 19-Year-Old Indictment Regarding Alleged Investment Fraud Scheme
21 October 2019, Imperial Valley News

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18 October 2019, Security Boulevard

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14 October 2019, IDG Connect

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