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DBMS > OpenQM vs. PieCloudDB vs. RDF4J

System Properties Comparison OpenQM vs. PieCloudDB vs. RDF4J

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Editorial information provided by DB-Engines
NameOpenQM infoalso called QM  Xexclude from comparisonPieCloudDB  Xexclude from comparisonRDF4J infoformerly known as Sesame  Xexclude from comparison
DescriptionQpenQM is a high-performance, self-tuning, multi-value DBMSA cloud-native analytic database platform with new technologoy for elastic MPPRDF4J is a Java framework for processing RDF data, supporting both memory-based and a disk-based storage.
Primary database modelMultivalue DBMSRelational DBMSRDF store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.60
Rank#275  Overall
#9  Multivalue DBMS
Score0.26
Rank#338  Overall
#149  Relational DBMS
Score1.02
Rank#226  Overall
#9  RDF stores
Websitewww.rocketsoftware.com/­products/­rocket-multivalue-application-development-platform/­rocket-open-qmwww.openpie.comrdf4j.org
Technical documentationrdf4j.org/­documentation
DeveloperRocket Software, originally Martin PhillipsOpenPieSince 2016 officially forked into an Eclipse project, former developer was Aduna Software.
Initial release19932004
Current release3.4-122.1, January 2023
License infoCommercial or Open SourceOpen Source infoGPLv2, extended commercial license availablecommercialOpen Source infoEclipse Distribution License (EDL), v1.0.
Cloud-based only infoOnly available as a cloud servicenoyesno
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageJava
Server operating systemsAIX
FreeBSD
Linux
macOS
Raspberry Pi
Solaris
Windows
hostedLinux
OS X
Unix
Windows
Data schemeyes infowith some exceptionsyesyes infoRDF Schemas
Typing infopredefined data types such as float or dateyesyes
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 indexesyesyesyes
SQL infoSupport of SQLnoyesno
APIs and other access methodsCLI Client
JDBC
ODBC
Java API
RIO infoRDF Input/Output
Sail API
SeRQL infoSesame RDF Query Language
Sesame REST HTTP Protocol
SPARQL
Supported programming languages.Net
Basic
C
Java
Objective C
PHP
Python
Java
PL/SQL
Python
R
Java
PHP
Python
Server-side scripts infoStored proceduresyesuser defined functionsyes
Triggersyesnoyes
Partitioning methods infoMethods for storing different data on different nodesyesyesnone
Replication methods infoMethods for redundantly storing data on multiple nodesyesyesnone
MapReduce infoOffers an API for user-defined Map/Reduce methodsnono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integritynono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDACIDACID infoIsolation support depends on the API used
Concurrency infoSupport for concurrent manipulation of datayesyesyes
Durability infoSupport for making data persistentyesyesyes infoin-memory storage is supported as well
User concepts infoAccess controlAccess rights can be defined down to the item levelUser Roles and pluggable authentication with full SQL Standardno

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More resources
OpenQM infoalso called QMPieCloudDBRDF4J infoformerly known as Sesame
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