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DBMS > OrientDB vs. Tkrzw vs. VelocityDB

System Properties Comparison OrientDB vs. Tkrzw vs. VelocityDB

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Editorial information provided by DB-Engines
NameOrientDB  Xexclude from comparisonTkrzw infoSuccessor of Tokyo Cabinet and Kyoto Cabinet  Xexclude from comparisonVelocityDB  Xexclude from comparison
DescriptionMulti-model DBMS (Document, Graph, Key/Value)A concept of libraries, allowing an application program to store and query key-value pairs in a file. Successor of Tokyo Cabinet and Kyoto CabinetA .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
Key-value storeGraph DBMS
Object oriented DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score4.40
Rank#80  Overall
#13  Document stores
#5  Graph DBMS
#12  Key-value stores
Score0.00
Rank#360  Overall
#58  Key-value stores
Score0.04
Rank#324  Overall
#32  Graph DBMS
#18  Object oriented DBMS
Websiteorientdb.orgdbmx.net/­tkrzwvelocitydb.com
Technical documentationwww.orientdb.com/­docs/­last/­index.htmlvelocitydb.com/­UserGuide
DeveloperOrientDB LTD; CallidusCloud; SAPMikio HirabayashiVelocityDB Inc
Initial release201020202011
Current release3.1.9, February 20210.9.3, August 20207.x
License infoCommercial or Open SourceOpen Source infoApache version 2Open Source infoApache Version 2.0commercial
Cloud-based only infoOnly available as a cloud servicenonono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageJavaC++C#
Server operating systemsAll OS with a Java JDK (>= JDK 6)Linux
macOS
Any that supports .NET
Data schemeschema-free infoSchema can be enforced for whole record ("schema-full") or for some fields only ("schema-hybrid")schema-freeyes
Typing infopredefined data types such as float or dateyesnoyes
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 joinsnono
APIs and other access methodsTinkerpop technology stack with Blueprints, Gremlin, Pipes
Java API
RESTful HTTP/JSON API
.Net
Supported programming languages.Net
C
C#
C++
Clojure
Java
JavaScript
JavaScript (Node.js)
PHP
Python
Ruby
Scala
C++
Java
Python
Ruby
.Net
Server-side scripts infoStored proceduresJava, Javascriptnono
TriggersHooksnoCallbacks are triggered when data changes
Partitioning methods infoMethods for storing different data on different nodesShardingnoneSharding
Replication methods infoMethods for redundantly storing data on multiple nodesMulti-source replicationnone
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 ConsistencyImmediate Consistency
Foreign keys infoReferential integrityyes inforelationship in graphsnono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDACID
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.yes infousing specific database classesyes
User concepts infoAccess controlAccess rights for users and roles; record level security configurablenoBased on Windows Authentication

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More resources
OrientDBTkrzw infoSuccessor of Tokyo Cabinet and Kyoto CabinetVelocityDB
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