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DBMS > OrientDB vs. TerminusDB vs. VelocityDB

System Properties Comparison OrientDB vs. TerminusDB vs. VelocityDB

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Editorial information provided by DB-Engines
NameOrientDB  Xexclude from comparisonTerminusDB infoformer name was DataChemist  Xexclude from comparisonVelocityDB  Xexclude from comparison
DescriptionMulti-model DBMS (Document, Graph, Key/Value)Scalable 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)
Primary database modelDocument store
Graph DBMS
Key-value store
Graph DBMSGraph DBMS
Object oriented DBMS
Secondary database modelsDocument store
RDF store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score5.14
Rank#59  Overall
#10  Document stores
#3  Graph DBMS
#9  Key-value stores
Score0.02
Rank#342  Overall
#32  Graph DBMS
Score0.07
Rank#311  Overall
#30  Graph DBMS
#16  Object oriented DBMS
Websiteorientdb.comterminusdb.comvelocitydb.com
Technical documentationorientdb.org/­docs/­3.0.xterminusdb.com/­docsvelocitydb.com/­UserGuide
DeveloperOrientDB LTD; CallidusCloudDataChemist Ltd.VelocityDB Inc
Initial release201020182011
Current release3.0.23, August 20191.0, 20187.x
License infoCommercial or Open SourceOpen Source infoApache version 2Open Source infoGPL V3commercial
Cloud-based only infoOnly available as a cloud servicenonono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageJavaProlog, RustC#
Server operating systemsAll OS with a Java JDK (>= JDK 6)LinuxAny that supports .NET
Data schemeschema-free infoSchema can be enforced for whole record ("schema-full") or for some fields only ("schema-hybrid")yesyes
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.nonono
Secondary indexesyesyes
SQL infoSupport of SQLSQL-like query language, no joinsSQL-like query language (WOQL)no
APIs and other access methodsJava API
RESTful HTTP/JSON API
Tinkerpop technology stack with Blueprints, Gremlin, Pipes
OWL
RESTful HTTP API
WOQL (Web Object Query Language)
.Net
Supported programming languages.Net
C
C#
C++
Clojure
Java
JavaScript
JavaScript (Node.js)
PHP
Python
Ruby
Scala
JavaScript
Python
.Net
Server-side scripts infoStored proceduresJava, Javascriptyesno
TriggersHooksyesCallbacks are triggered when data changes
Partitioning methods infoMethods for storing different data on different nodesShardingGraph PartitioningSharding
Replication methods infoMethods for redundantly storing data on multiple nodesMaster-master replicationJournaling Streams
MapReduce infoOffers an API for user-defined Map/Reduce methodsno infocould be achieved with distributed queriesnono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate Consistency
Foreign keys infoReferential integrityyes inforelationship in graphsyesno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDACIDACID
Concurrency infoSupport for concurrent manipulation of datayesyesyes
Durability infoSupport for making data persistentyesyes infoin-memory journalingyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yes
User concepts infoAccess controlAccess rights for users and roles; record level security configurableRole-based access controlBased on Windows Authentication

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More resources
OrientDBTerminusDB infoformer name was DataChemistVelocityDB
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