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DBMS > OpenQM

OpenQM System Properties

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Editorial information provided by DB-Engines
NameOpenQM infoalso called QM
DescriptionQpenQM is a high-performance, self-tuning, multi-value DBMS
Primary database modelMultivalue DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.23
Rank#284  Overall
#10  Multivalue DBMS
Websitewww.openqm.com
Technical documentationwww.openqm.com/­support/­documentation
DeveloperMartin Phillips
Initial release1993
Current release3.4-12
License infoCommercial or Open SourceOpen Source infoGPLv2, extended commercial license available
Cloud-based only infoOnly available as a cloud serviceno
DBaaS offerings (sponsored links) infoDatabase as a Service

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Server operating systemsAIX
FreeBSD
Linux
macOS
Raspberry Pi
Solaris
Windows
Data schemeyes infowith some exceptions
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
Secondary indexesyes
SQL infoSupport of SQLno
Supported programming languages.Net
Basic
C
Java
Objective C
PHP
Python
Server-side scripts infoStored proceduresyes
Triggersyes
Partitioning methods infoMethods for storing different data on different nodesyes
Replication methods infoMethods for redundantly storing data on multiple nodesyes
MapReduce infoOffers an API for user-defined Map/Reduce methodsno
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate Consistency
Foreign keys infoReferential integrityno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACID
Concurrency infoSupport for concurrent manipulation of datayes
Durability infoSupport for making data persistentyes
User concepts infoAccess controlAccess rights can be defined down to the item level

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More resources
OpenQM infoalso called QM
Recent citations in the news

OpenQM
22 July 2019, International Spectrum Magazine

provided by Google News



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