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DBMS > gStore vs. Hazelcast vs. OpenQM vs. SpaceTime

System Properties Comparison gStore vs. Hazelcast vs. OpenQM vs. SpaceTime

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Editorial information provided by DB-Engines
NamegStore  Xexclude from comparisonHazelcast  Xexclude from comparisonOpenQM infoalso called QM  Xexclude from comparisonSpaceTime  Xexclude from comparison
DescriptionA native Graph DBMS to store and maintain very large RDF datasets.A widely adopted in-memory data gridQpenQM is a high-performance, self-tuning, multi-value DBMSSpaceTime is a spatio-temporal DBMS with a focus on performance.
Primary database modelGraph DBMS
RDF store
Key-value storeMultivalue DBMSSpatial DBMS
Secondary database modelsDocument store infoJSON support with IMDG 3.12Relational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.14
Rank#342  Overall
#34  Graph DBMS
#16  RDF stores
Score5.46
Rank#61  Overall
#7  Key-value stores
Score0.34
Rank#284  Overall
#10  Multivalue DBMS
Score0.03
Rank#392  Overall
#8  Spatial DBMS
Websiteen.gstore.cnhazelcast.comwww.rocketsoftware.com/­products/­rocket-multivalue-application-development-platform/­rocket-open-qmwww.mireo.com/­spacetime
Technical documentationen.gstore.cn/­#/­enDocshazelcast.org/­imdg/­docs
DeveloperHazelcastRocket Software, originally Martin PhillipsMireo
Initial release2016200819932020
Current release1.2, November 20235.3.6, November 20233.4-12
License infoCommercial or Open SourceOpen Source infoBSDOpen Source infoApache Version 2; commercial licenses availableOpen Source infoGPLv2, extended commercial license availablecommercial
Cloud-based only infoOnly available as a cloud servicenononono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageC++JavaC++
Server operating systemsLinuxAll OS with a Java VMAIX
FreeBSD
Linux
macOS
Raspberry Pi
Solaris
Windows
Linux
Data schemeschema-free and OWL/RDFS-schema supportschema-freeyes infowith some exceptionsyes
Typing infopredefined data types such as float or dateyesyesyes
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.noyes infothe object must implement a serialization strategyyesno
Secondary indexesyesyesno
SQL infoSupport of SQLnoSQL-like query languagenoA subset of ANSI SQL is implemented
APIs and other access methodsHTTP API
SPARQL 1.1
JCache
JPA
Memcached protocol
RESTful HTTP API
RESTful HTTP API
Supported programming languagesC++
Java
JavaScript (Node.js)
PHP
Python
.Net
C#
C++
Clojure
Go
Java
JavaScript (Node.js)
Python
Scala
.Net
Basic
C
Java
Objective C
PHP
Python
C#
C++
Python
Server-side scripts infoStored proceduresyesyes infoEvent Listeners, Executor Servicesyesno
Triggersyes infoEventsyesno
Partitioning methods infoMethods for storing different data on different nodesShardingyesFixed-grid hypercubes
Replication methods infoMethods for redundantly storing data on multiple nodesyes infoReplicated MapyesReal-time block device replication (DRBD)
MapReduce infoOffers an API for user-defined Map/Reduce methodsnoyesnono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate Consistency or Eventual Consistency selectable by user infoRaft Consensus AlgorithmImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integritynonono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datayesone or two-phase-commit; repeatable reads; read commitedACIDno
Concurrency infoSupport for concurrent manipulation of datayesyesyesyes
Durability infoSupport for making data persistentyesyesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.noyesno
User concepts infoAccess controlUsers, roles and permissions, Role-Based Access Control (RBAC) supportedRole-based access controlAccess rights can be defined down to the item levelyes

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More resources
gStoreHazelcastOpenQM infoalso called QMSpaceTime
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provided by Google News



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