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DBMS > Apache Jena - TDB vs. Dragonfly vs. TerminusDB vs. VelocityDB

System Properties Comparison Apache Jena - TDB vs. Dragonfly vs. TerminusDB vs. VelocityDB

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Editorial information provided by DB-Engines
NameApache Jena - TDB  Xexclude from comparisonDragonfly  Xexclude from comparisonTerminusDB infoformer name was DataChemist  Xexclude from comparisonVelocityDB  Xexclude from comparison
DescriptionA RDF storage and query DBMS, shipped as an optional-use component of the Apache Jena frameworkA drop-in Redis replacement that scales vertically to support millions of operations per second and terabyte sized workloads, all on a single instanceScalable 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 modelRDF storeKey-value storeGraph DBMSGraph DBMS
Object oriented DBMS
Secondary database modelsDocument store
RDF store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score3.75
Rank#84  Overall
#3  RDF stores
Score0.41
Rank#266  Overall
#38  Key-value stores
Score0.17
Rank#325  Overall
#29  Graph DBMS
Score0.05
Rank#358  Overall
#36  Graph DBMS
#16  Object oriented DBMS
Websitejena.apache.org/­documentation/­tdb/­index.htmlgithub.com/­dragonflydb/­dragonfly
www.dragonflydb.io
terminusdb.comvelocitydb.com
Technical documentationjena.apache.org/­documentation/­tdb/­index.htmlwww.dragonflydb.io/­docsterminusdb.github.io/­terminusdb/­#velocitydb.com/­UserGuide
DeveloperApache Software Foundation infooriginally developed by HP LabsDragonflyDB team and community contributorsDataChemist Ltd.VelocityDB Inc
Initial release2000202320182011
Current release4.9.0, July 20231.0, March 202311.0.0, January 20237.x
License infoCommercial or Open SourceOpen Source infoApache License, Version 2.0Open Source infoBSL 1.1Open Source infoGPL V3commercial
Cloud-based only infoOnly available as a cloud servicenononono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageJavaC++Prolog, RustC#
Server operating systemsAll OS with a Java VMLinuxLinuxAny that supports .NET
Data schemeyes infoRDF Schemasscheme-freeyesyes
Typing infopredefined data types such as float or dateyesstrings, hashes, lists, sets, sorted sets, bit arraysyesyes
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 indexesyesnoyes
SQL infoSupport of SQLnonoSQL-like query language (WOQL)no
APIs and other access methodsFuseki infoREST-style SPARQL HTTP Interface
Jena RDF API
RIO infoRDF Input/Output
Proprietary protocol infoRESP - REdis Serialization ProtocolOWL
RESTful HTTP API
WOQL (Web Object Query Language)
.Net
Supported programming languagesJavaC
C#
C++
Clojure
D
Dart
Elixir
Erlang
Go
Haskell
Java
JavaScript (Node.js)
Lisp
Lua
Objective-C
Perl
PHP
Python
R
Ruby
Rust
Scala
Swift
Tcl
JavaScript
Python
.Net
Server-side scripts infoStored proceduresyesLuayesno
Triggersyes infovia event handlerpublish/subscribe channels provide some trigger functionalityyesCallbacks are triggered when data changes
Partitioning methods infoMethods for storing different data on different nodesnoneGraph PartitioningSharding
Replication methods infoMethods for redundantly storing data on multiple nodesnoneSource-replica replicationJournaling Streams
MapReduce infoOffers an API for user-defined Map/Reduce methodsnononono
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual ConsistencyImmediate Consistency
Foreign keys infoReferential integritynoyesno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACID infoTDB TransactionsAtomic execution of command blocks and scriptsACIDACID
Concurrency infoSupport for concurrent manipulation of datayesyes, strict serializability by the serveryesyes
Durability infoSupport for making data persistentyesyesyes infoin-memory journalingyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesyes
User concepts infoAccess controlAccess control via Jena SecurityPassword-based authenticationRole-based access controlBased on Windows Authentication

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More resources
Apache Jena - TDBDragonflyTerminusDB infoformer name was DataChemistVelocityDB
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