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DBMS > OpenQM vs. OrigoDB vs. TerminusDB vs. VelocityDB vs. YDB

System Properties Comparison OpenQM vs. OrigoDB vs. TerminusDB vs. VelocityDB vs. YDB

Editorial information provided by DB-Engines
NameOpenQM infoalso called QM  Xexclude from comparisonOrigoDB  Xexclude from comparisonTerminusDB infoformer name was DataChemist  Xexclude from comparisonVelocityDB  Xexclude from comparisonYDB  Xexclude from comparison
DescriptionQpenQM is a high-performance, self-tuning, multi-value DBMSA fully ACID in-memory object graph databaseScalable Graph Database platform making enterprise data available by exploiting inferred entities and relationshipsA .NET Object Database that can be embedded/distributed and extended to a graph data model (VelocityGraph)A distributed fault-tolerant database service, with high availability, scalability, immediate consistency and ACID transactions and providing an Amazon DynamoDB compatible API
Primary database modelMultivalue DBMSDocument store
Object oriented DBMS
Graph DBMSGraph DBMS
Object oriented DBMS
Document store
Relational DBMS
Secondary database modelsDocument store
RDF store
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
Score0.17
Rank#325  Overall
#29  Graph DBMS
Score0.05
Rank#358  Overall
#36  Graph DBMS
#16  Object oriented DBMS
Score0.35
Rank#278  Overall
#43  Document stores
#127  Relational DBMS
Websitewww.rocketsoftware.com/­products/­rocket-multivalue-application-development-platform/­rocket-open-qmorigodb.comterminusdb.comvelocitydb.comgithub.com/­ydb-platform/­ydb
ydb.tech
Technical documentationorigodb.com/­docsterminusdb.github.io/­terminusdb/­#velocitydb.com/­UserGuideydb.tech/­en/­docs
DeveloperRocket Software, originally Martin PhillipsRobert Friberg et alDataChemist Ltd.VelocityDB IncYandex
Initial release19932009 infounder the name LiveDB201820112019
Current release3.4-1211.0.0, January 20237.x
License infoCommercial or Open SourceOpen Source infoGPLv2, extended commercial license availableOpen SourceOpen Source infoGPL V3commercialOpen Source infoApache 2.0; commercial license available
Cloud-based only infoOnly available as a cloud servicenonononono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageC#Prolog, RustC#
Server operating systemsAIX
FreeBSD
Linux
macOS
Raspberry Pi
Solaris
Windows
Linux
Windows
LinuxAny that supports .NETLinux
Data schemeyes infowith some exceptionsyesyesyesFlexible Schema (defined schema, partial schema, schema free)
Typing infopredefined data types such as float or dateUser defined using .NET types and collectionsyesyesyes
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 .NETnonono
Secondary indexesyesyesyesyes
SQL infoSupport of SQLnonoSQL-like query language (WOQL)noSQL-like query language (YQL)
APIs and other access methods.NET Client API
HTTP API
LINQ
OWL
RESTful HTTP API
WOQL (Web Object Query Language)
.NetRESTful HTTP API (DynamoDB compatible)
Supported programming languages.Net
Basic
C
Java
Objective C
PHP
Python
.NetJavaScript
Python
.NetGo
Java
JavaScript (Node.js)
PHP
Python
Server-side scripts infoStored proceduresyesyesyesnono
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 synchronizedGraph PartitioningShardingSharding
Replication methods infoMethods for redundantly storing data on multiple nodesyesSource-replica replicationJournaling StreamsActive-passive shard replication
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonononono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integritynodepending on modelyesnono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDACIDACIDACIDACID
Concurrency infoSupport for concurrent manipulation of datayesyesyesyesyes
Durability infoSupport for making data persistentyesyes infoWrite ahead logyes infoin-memory journalingyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesyesno
User concepts infoAccess controlAccess rights can be defined down to the item levelRole based authorizationRole-based access controlBased on Windows AuthenticationAccess rights defined for Yandex Cloud users

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More resources
OpenQM infoalso called QMOrigoDBTerminusDB infoformer name was DataChemistVelocityDBYDB
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