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DBMS > OpenQM vs. Stardog

System Properties Comparison OpenQM vs. Stardog

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Editorial information provided by DB-Engines
NameOpenQM infoalso called QM  Xexclude from comparisonStardog  Xexclude from comparison
DescriptionQpenQM is a high-performance, self-tuning, multi-value DBMSSemantic graph DBMS, developed in Java
Primary database modelMultivalue DBMSGraph DBMS
RDF store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.27
Rank#240  Overall
#10  Multivalue DBMS
Score0.81
Rank#166  Overall
#12  Graph DBMS
#7  RDF stores
Websitewww.openqm.comwww.stardog.com
Technical documentationwww.openqm-zumasys.com/­support/­documentationwww.stardog.com/­docs
DeveloperMartin PhillipsComplexible Inc.
Initial release19932010
Current release3.4-124.2.4, March 2017
License infoCommercial or Open SourceOpen Source infoGPLv2, extended commercial license availablecommercial infoLimited community edition free
Cloud-based only infoOnly available as a cloud servicenono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageJava
Server operating systemsAIX
FreeBSD
Linux
macOS
Raspberry Pi
Solaris
Windows
All OS with a Java VM
Data schemeyes infowith some exceptionsschema-free
Typing infopredefined data types such as float or dateyes
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.yesno infoImport/export of XML data possible
Secondary indexesyesyes
SQL infoSupport of SQLnoSPARQL is used as query language
APIs and other access methodsHTTP API
OWL
SPARQL
Tinkerpop technology stack with Blueprints, Gremlin, Pipes
Supported programming languages.Net
Basic
C
Java
Objective C
PHP
Python
.Net
Clojure
Groovy
Java
JavaScript
Python
Ruby
Server-side scripts infoStored proceduresyesno
Triggersyesyes infovia event handlers
Partitioning methods infoMethods for storing different data on different nodesyesnone
Replication methods infoMethods for redundantly storing data on multiple nodesyesMaster-master replication in HA-Cluster infousing Apache ZooKeeper
MapReduce infoOffers an API for user-defined Map/Reduce methodsnono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate Consistency in HA-Cluster
Foreign keys infoReferential integritynoyes inforelationships in graphs
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
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yes
User concepts infoAccess controlAccess rights can be defined down to the item levelAccess rights for users and roles

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More resources
OpenQM infoalso called QMStardog
Recent citations in the news

Encompass Eliminates Downtime with jBASE from Zumasys
2 October 2018, Business Wire

provided by Google News




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