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DBMS > OpenQM vs. PostGIS vs. VelocityDB vs. Warp 10

System Properties Comparison OpenQM vs. PostGIS vs. VelocityDB vs. Warp 10

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Editorial information provided by DB-Engines
NameOpenQM infoalso called QM  Xexclude from comparisonPostGIS  Xexclude from comparisonVelocityDB  Xexclude from comparisonWarp 10  Xexclude from comparison
DescriptionQpenQM is a high-performance, self-tuning, multi-value DBMSSpatial extension of PostgreSQLA .NET Object Database that can be embedded/distributed and extended to a graph data model (VelocityGraph)TimeSeries DBMS specialized on timestamped geo data based on LevelDB or HBase
Primary database modelMultivalue DBMSSpatial DBMSGraph DBMS
Object oriented DBMS
Time Series DBMS
Secondary database modelsRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.23
Rank#286  Overall
#10  Multivalue DBMS
Score30.81
Rank#28  Overall
#1  Spatial DBMS
Score0.04
Rank#340  Overall
#36  Graph DBMS
#18  Object oriented DBMS
Score0.19
Rank#295  Overall
#25  Time Series DBMS
Websitewww.openqm.compostgis.netvelocitydb.comwww.warp10.io
Technical documentationwww.openqm.com/­support/­documentationpostgis.net/­documentationvelocitydb.com/­UserGuidewww.warp10.io/­content/­02_Getting_started
DeveloperMartin PhillipsVelocityDB IncSenX
Initial release1993200520112015
Current release3.4-123.2.1, February 20227.x
License infoCommercial or Open SourceOpen Source infoGPLv2, extended commercial license availableOpen Source infoGPL v2.0commercialOpen Source infoApache License 2.0
Cloud-based only infoOnly available as a cloud servicenononono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageCC#Java
Server operating systemsAIX
FreeBSD
Linux
macOS
Raspberry Pi
Solaris
Windows
Any that supports .NETLinux
OS X
Windows
Data schemeyes infowith some exceptionsyesyesschema-free
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.yesyesnono
Secondary indexesyesyesyesno
SQL infoSupport of SQLnoyesnono
APIs and other access methods.NetHTTP API
Jupyter
WebSocket
Supported programming languages.Net
Basic
C
Java
Objective C
PHP
Python
.Net
Server-side scripts infoStored proceduresyesuser defined functionsnoyes infoWarpScript
TriggersyesyesCallbacks are triggered when data changesno
Partitioning methods infoMethods for storing different data on different nodesyesyes infobased on PostgreSQLShardingSharding infobased on HBase
Replication methods infoMethods for redundantly storing data on multiple nodesyesyes infobased on PostgreSQLselectable replication factor infobased on HBase
MapReduce infoOffers an API for user-defined Map/Reduce methodsnononono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate ConsistencyImmediate ConsistencyImmediate Consistency infobased on HBase
Foreign keys infoReferential integritynoyesnono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDACIDACIDno
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.noyesyes
User concepts infoAccess controlAccess rights can be defined down to the item levelyes infobased on PostgreSQLBased on Windows AuthenticationMandatory use of cryptographic tokens, containing fine-grained authorizations

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More resources
OpenQM infoalso called QMPostGISVelocityDBWarp 10
DB-Engines blog posts

Spatial database management systems
6 April 2021, Matthias Gelbmann

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Recent citations in the news

OpenQM
5 March 2019, International Spectrum Magazine

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