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DBMS > OpenQM vs. PostGIS vs. Quasardb vs. SpatiaLite

System Properties Comparison OpenQM vs. PostGIS vs. Quasardb vs. SpatiaLite

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Editorial information provided by DB-Engines
NameOpenQM infoalso called QM  Xexclude from comparisonPostGIS  Xexclude from comparisonQuasardb  Xexclude from comparisonSpatiaLite  Xexclude from comparison
DescriptionQpenQM is a high-performance, self-tuning, multi-value DBMSSpatial extension of PostgreSQLDistributed, high-performance timeseries databaseSpatial extension of SQLite
Primary database modelMultivalue DBMSSpatial DBMSTime Series DBMSSpatial DBMS
Secondary database modelsRelational DBMSRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.34
Rank#284  Overall
#10  Multivalue DBMS
Score21.72
Rank#29  Overall
#1  Spatial DBMS
Score0.21
Rank#322  Overall
#29  Time Series DBMS
Score1.63
Rank#146  Overall
#3  Spatial DBMS
Websitewww.rocketsoftware.com/­products/­rocket-multivalue-application-development-platform/­rocket-open-qmpostgis.netquasar.aiwww.gaia-gis.it/­fossil/­libspatialite/­index
Technical documentationpostgis.net/­documentationdoc.quasar.ai/­masterwww.gaia-gis.it/­gaia-sins/­spatialite_topics.html
DeveloperRocket Software, originally Martin PhillipsquasardbAlessandro Furieri
Initial release1993200520092008
Current release3.4-123.4.2, February 20243.14.1, January 20245.0.0, August 2020
License infoCommercial or Open SourceOpen Source infoGPLv2, extended commercial license availableOpen Source infoGPL v2.0commercial infoFree community edition, Non-profit organizations and non-commercial usage are eligible for free licensesOpen Source infoMPL 1.1, GPL v2.0 or LGPL v2.1
Cloud-based only infoOnly available as a cloud servicenononono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageCC++C++
Server operating systemsAIX
FreeBSD
Linux
macOS
Raspberry Pi
Solaris
Windows
BSD
Linux
OS X
Windows
server-less
Data schemeyes infowith some exceptionsyesschema-freeyes
Typing infopredefined data types such as float or dateyesyes infointeger and binaryyes
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.yesyesnono
Secondary indexesyesyesyes infowith tagsyes
SQL infoSupport of SQLnoyesSQL-like query languageyes
APIs and other access methodsHTTP API
Supported programming languages.Net
Basic
C
Java
Objective C
PHP
Python
.Net
C
C#
C++
Go
Java
JavaScript (Node.js)
PHP
Python
R
Server-side scripts infoStored proceduresyesuser defined functionsnono
Triggersyesyesnoyes
Partitioning methods infoMethods for storing different data on different nodesyesyes infobased on PostgreSQLSharding infoconsistent hashingnone
Replication methods infoMethods for redundantly storing data on multiple nodesyesyes infobased on PostgreSQLSource-replica replication with selectable replication factornone
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonowith Hadoop integrationno
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integritynoyesnoyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDACIDACIDACID
Concurrency infoSupport for concurrent manipulation of datayesyesyesyes
Durability infoSupport for making data persistentyesyesyes infoby using LevelDByes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.noyes infoTransient modeyes
User concepts infoAccess controlAccess rights can be defined down to the item levelyes infobased on PostgreSQLCryptographically strong user authentication and audit trailno

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More resources
OpenQM infoalso called QMPostGISQuasardbSpatiaLite
DB-Engines blog posts

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