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DBMS > OpenQM vs. VelocityDB vs. Warp 10

System Properties Comparison OpenQM vs. VelocityDB vs. Warp 10

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Editorial information provided by DB-Engines
NameOpenQM infoalso called QM  Xexclude from comparisonVelocityDB  Xexclude from comparisonWarp 10  Xexclude from comparison
DescriptionQpenQM is a high-performance, self-tuning, multi-value DBMSA .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 DBMSGraph DBMS
Object oriented DBMS
Time Series DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.20
Rank#286  Overall
#10  Multivalue DBMS
Score0.02
Rank#341  Overall
#35  Graph DBMS
#17  Object oriented DBMS
Score0.18
Rank#295  Overall
#26  Time Series DBMS
Websitewww.openqm.comvelocitydb.comwww.warp10.io
Technical documentationwww.openqm.com/­support/­documentationvelocitydb.com/­UserGuidewww.warp10.io/­content/­02_Getting_started
DeveloperMartin PhillipsVelocityDB IncSenX
Initial release199320112015
Current release3.4-127.x
License infoCommercial or Open SourceOpen Source infoGPLv2, extended commercial license availablecommercialOpen Source infoApache License 2.0
Cloud-based only infoOnly available as a cloud servicenonono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageC#Java
Server operating systemsAIX
FreeBSD
Linux
macOS
Raspberry Pi
Solaris
Windows
Any that supports .NETLinux
OS X
Windows
Data schemeyes infowith some exceptionsyesschema-free
Typing infopredefined data types such as float or dateyesyes
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.yesnono
Secondary indexesyesyesno
SQL infoSupport of SQLnonono
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 proceduresyesnoyes infoWarpScript
TriggersyesCallbacks are triggered when data changesno
Partitioning methods infoMethods for storing different data on different nodesyesShardingSharding infobased on HBase
Replication methods infoMethods for redundantly storing data on multiple nodesyesselectable replication factor infobased on HBase
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate ConsistencyImmediate Consistency infobased on HBase
Foreign keys infoReferential integritynonono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDACIDno
Concurrency infoSupport for concurrent manipulation of datayesyesyes
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 controlAccess rights can be defined down to the item levelBased on Windows AuthenticationMandatory use of cryptographic tokens, containing fine-grained authorizations

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More resources
OpenQM infoalso called QMVelocityDBWarp 10
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