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DBMS > H2GIS vs. OpenQM vs. TerarkDB

System Properties Comparison H2GIS vs. OpenQM vs. TerarkDB

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Editorial information provided by DB-Engines
NameH2GIS  Xexclude from comparisonOpenQM infoalso called QM  Xexclude from comparisonTerarkDB  Xexclude from comparison
DescriptionSpatial extension of H2QpenQM is a high-performance, self-tuning, multi-value DBMSA key-value store forked from RocksDB with advanced compression algorithms. It can be used standalone or as a storage engine for MySQL and MongoDB
Primary database modelSpatial DBMSMultivalue DBMSKey-value store
Secondary database modelsRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.20
Rank#351  Overall
#5  Spatial DBMS
Score0.59
Rank#261  Overall
#10  Multivalue DBMS
Score0.25
Rank#337  Overall
#51  Key-value stores
Websitewww.h2gis.orgwww.openqm.comgithub.com/­Terark/­terarkdb
Technical documentationwww.h2gis.org/­docs/­homewww.openqm.com/­support/­documentationgithub.com/­Terark/­terarkdb/­wiki
DeveloperCNRSMartin PhillipsTerark
Initial release201319932016
Current release3.4-12
License infoCommercial or Open SourceOpen Source infoLGPL 3.0Open Source infoGPLv2, extended commercial license availablecommercial inforestricted open source version available
Cloud-based only infoOnly available as a cloud servicenonono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageJavaC++
Server operating systemsAIX
FreeBSD
Linux
macOS
Raspberry Pi
Solaris
Windows
Data schemeyesyes infowith some exceptionsschema-free
Typing infopredefined data types such as float or dateyesno
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.noyesno
Secondary indexesyesyesno
SQL infoSupport of SQLyesnono
APIs and other access methodsC++ API
Java API
Supported programming languagesJava.Net
Basic
C
Java
Objective C
PHP
Python
C++
Java
Server-side scripts infoStored proceduresyes infobased on H2yesno
Triggersyesyesno
Partitioning methods infoMethods for storing different data on different nodesnoneyesnone
Replication methods infoMethods for redundantly storing data on multiple nodesyes infobased on H2yesnone
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integrityyesnono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDACIDno
Concurrency infoSupport for concurrent manipulation of datayes, multi-version concurrency control (MVCC)yesyes
Durability infoSupport for making data persistentyesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesyes
User concepts infoAccess controlyes infobased on H2Access rights can be defined down to the item levelno

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More resources
H2GISOpenQM infoalso called QMTerarkDB
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