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DBMS > DB2 vs. Informix

System Properties Comparison DB2 vs. Informix

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Editorial information provided by DB-Engines
NameDB2  Xexclude from comparisonInformix  Xexclude from comparison
DescriptionCommon in IBM host environments, 2 different versions for host and Windows/LinuxAn RDBMS by IBM, which is positioned besides DB2 as relatively low-cost and embeddable product
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 MongoDB
Additional database modelsDocument store
Key-value store
Document store
Key-value store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score198.34
Rank#6  Overall
#5  Relational DBMS
Score27.84
Rank#25  Overall
#14  Relational DBMS
Websitewww.ibm.com/­analytics/­us/­en/­db2www.ibm.com/­analytics/­us/­en/­technology/­informix
Technical documentationwww.ibm.com/­support/­knowledgecenter/­SSEPGG
DeveloperIBMIBM infooriginally Informix Corp.
Initial release1983 infohost version1984
Current releaseDb2 Data Server (11.1), April 2016IBM Informix 12.10.xC7, June 2016
License infoCommercial or Open Sourcecommercial infofree version is availablecommercial infofree developer edition available
Cloud-based infoOnly available as a cloud servicenono
Implementation languageC and C++C and C++
Server operating systemsAIX
HP-UX
Linux
Solaris
Windows
z/OS
AIX
HP-UX
Linux
OS X
Solaris
Windows
Data schemeyesyes
Typing infopredefined data types such as float or dateyesyes infoSince Version 12.10 support for JSON/BSON datatypes
Secondary indexesyesyes
SQL infoSupport of (almost entire) SQL standard (DML, DDL and DCL statements)yesyes
APIs and other access methodsJSON style queries infoMongoDB compatible
XQuery
ADO.NET
JDBC
ODBC
JSON style queries infoMongoDB compatible
JDBC
ODBC
Supported programming languagesC
C#
C++
Cobol
Delphi
Fortran
Java
Perl
PHP
Python
Ruby
Visual Basic
.Net
C
C++
Java
PHP
Ruby
Server-side scripts infoStored proceduresyesyes
Triggersyesyes
Partitioning methods infoMethods for storing different data on different nodesSharding infoonly with Windows/Unix/Linux Versionyes infoextended query functionality with Informix Flexible Grid Technology (since 12.10)
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 methodsnono
Foreign keys infoReferential integrityyesyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDACID
Concurrency infoSupport for concurrent manipulation of datayesyes
Durability infoSupport for making data persistentyesyes
User concepts infoAccess controlfine grained access rights according to SQL-standardUsers with fine-grained authorization concept

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DB2Informix
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