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DBMS > OpenQM vs. OrigoDB vs. Splunk vs. VelocityDB

System Properties Comparison OpenQM vs. OrigoDB vs. Splunk vs. VelocityDB

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Editorial information provided by DB-Engines
NameOpenQM infoalso called QM  Xexclude from comparisonOrigoDB  Xexclude from comparisonSplunk  Xexclude from comparisonVelocityDB  Xexclude from comparison
DescriptionQpenQM is a high-performance, self-tuning, multi-value DBMSA fully ACID in-memory object graph databaseAnalytics Platform for Big DataA .NET Object Database that can be embedded/distributed and extended to a graph data model (VelocityGraph)
Primary database modelMultivalue DBMSDocument store
Object oriented DBMS
Search engineGraph DBMS
Object oriented DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.27
Rank#298  Overall
#10  Multivalue DBMS
Score0.00
Rank#383  Overall
#53  Document stores
#20  Object oriented DBMS
Score86.45
Rank#14  Overall
#2  Search engines
Score0.05
Rank#358  Overall
#36  Graph DBMS
#16  Object oriented DBMS
Websitewww.rocketsoftware.com/­products/­rocket-multivalue-application-development-platform/­rocket-open-qmorigodb.comwww.splunk.comvelocitydb.com
Technical documentationorigodb.com/­docsdocs.splunk.com/­Documentation/­Splunkvelocitydb.com/­UserGuide
DeveloperRocket Software, originally Martin PhillipsRobert Friberg et alSplunk Inc.VelocityDB Inc
Initial release19932009 infounder the name LiveDB20032011
Current release3.4-127.x
License infoCommercial or Open SourceOpen Source infoGPLv2, extended commercial license availableOpen Sourcecommercial infoLimited free edition and free developer edition availablecommercial
Cloud-based only infoOnly available as a cloud servicenononono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageC#C#
Server operating systemsAIX
FreeBSD
Linux
macOS
Raspberry Pi
Solaris
Windows
Linux
Windows
Linux
OS X
Solaris
Windows
Any that supports .NET
Data schemeyes infowith some exceptionsyesyesyes
Typing infopredefined data types such as float or dateUser defined using .NET types and collectionsyesyes
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.yesno infocan be achieved using .NETyesno
Secondary indexesyesyesyesyes
SQL infoSupport of SQLnonono infoSplunk Search Processing Language for search commandsno
APIs and other access methods.NET Client API
HTTP API
LINQ
HTTP REST.Net
Supported programming languages.Net
Basic
C
Java
Objective C
PHP
Python
.NetC#
Java
JavaScript
PHP
Python
Ruby
.Net
Server-side scripts infoStored proceduresyesyesyesno
Triggersyesyes infoDomain EventsyesCallbacks are triggered when data changes
Partitioning methods infoMethods for storing different data on different nodesyeshorizontal partitioning infoclient side managed; servers are not synchronizedShardingSharding
Replication methods infoMethods for redundantly storing data on multiple nodesyesSource-replica replicationMulti-source replication
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonoyesno
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyEventual ConsistencyImmediate Consistency
Foreign keys infoReferential integritynodepending on modelnono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDACIDno infoA 'Transaction' in Splunk has a different meaning: grouping related events into a single one for later searchingACID
Concurrency infoSupport for concurrent manipulation of datayesyesyesyes
Durability infoSupport for making data persistentyesyes infoWrite ahead logyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesnoyes
User concepts infoAccess controlAccess rights can be defined down to the item levelRole based authorizationAccess rights for users and rolesBased on Windows Authentication

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More resources
OpenQM infoalso called QMOrigoDBSplunkVelocityDB
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