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Informix System Properties

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Editorial information provided by DB-Engines
DescriptionAn RDBMS by IBM, which is positioned besides DB2 as relatively low-cost and embeddable product
Database modelRelational DBMS Since Version 12.10 support for JSON/BSON datatypes compatible with MongoDB
DB-Engines Ranking measures the popularity of database management systems
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Rank#25  Overall
#14  Relational DBMS
Technical documentationwww.ibm.com/­software/­data/­informix
DeveloperIBM originally Informix Corp.
Initial release1984
Current releaseIBM Informix 12.10.xC7, June 2016
License Commercial or Open Sourcecommercial free developer edition available
Cloud-based Only available as a cloud serviceno
Implementation languageC and C++
Server operating systemsAIX
Data schemeyes
Typing predefined data types such as float or dateyes Since Version 12.10 support for JSON/BSON datatypes
Secondary indexesyes
SQL Support of (almost entire) SQL standard (DML, DDL and DCL statements)yes
APIs and other access methodsJSON style queries MongoDB compatible
Supported programming languages.Net
Server-side scripts Stored proceduresyes
Partitioning methods Methods for storing different data on different nodesyes extended query functionality with Informix Flexible Grid Technology (since 12.10)
Replication methods Methods for redundantly storing data on multiple nodesMaster-master replication
Master-slave replication
MapReduce Offers an API for user-defined Map/Reduce methodsno
Foreign keys Referential integrityyes
Transaction concepts Support to ensure data integrity after non-atomic manipulations of dataACID
Concurrency Support for concurrent manipulation of datayes
Durability Support for making data persistentyes
User concepts Access controlUsers with fine-grained authorization concept

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