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DBMS > H2GIS vs. OpenQM

System Properties Comparison H2GIS vs. OpenQM

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Editorial information provided by DB-Engines
NameH2GIS  Xexclude from comparisonOpenQM infoalso called QM  Xexclude from comparison
DescriptionSpatial extension of H2QpenQM is a high-performance, self-tuning, multi-value DBMS
Primary database modelSpatial DBMSMultivalue DBMS
Secondary database modelsRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.05
Rank#372  Overall
#7  Spatial DBMS
Score0.33
Rank#286  Overall
#10  Multivalue DBMS
Websitewww.h2gis.orgwww.rocketsoftware.com/­products/­rocket-multivalue-application-development-platform/­rocket-open-qm
Technical documentationwww.h2gis.org/­docs/­home
DeveloperCNRSRocket Software, originally Martin Phillips
Initial release20131993
Current release3.4-12
License infoCommercial or Open SourceOpen Source infoLGPL 3.0Open Source infoGPLv2, extended commercial license available
Cloud-based only infoOnly available as a cloud servicenono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageJava
Server operating systemsAIX
FreeBSD
Linux
macOS
Raspberry Pi
Solaris
Windows
Data schemeyesyes infowith some exceptions
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.noyes
Secondary indexesyesyes
SQL infoSupport of SQLyesno
Supported programming languagesJava.Net
Basic
C
Java
Objective C
PHP
Python
Server-side scripts infoStored proceduresyes infobased on H2yes
Triggersyesyes
Partitioning methods infoMethods for storing different data on different nodesnoneyes
Replication methods infoMethods for redundantly storing data on multiple nodesyes infobased on H2yes
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 integrityyesno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDACID
Concurrency infoSupport for concurrent manipulation of datayes, multi-version concurrency control (MVCC)yes
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 controlyes infobased on H2Access rights can be defined down to the item level

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