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DBMS > Apache Jena - TDB vs. FatDB vs. OpenMLDB

System Properties Comparison Apache Jena - TDB vs. FatDB vs. OpenMLDB

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Editorial information provided by DB-Engines
NameApache Jena - TDB  Xexclude from comparisonFatDB  Xexclude from comparisonOpenMLDB  Xexclude from comparison
FatDB/FatCloud has ceased operations as a company with February 2014. FatDB is discontinued and excluded from the ranking.
DescriptionA RDF storage and query DBMS, shipped as an optional-use component of the Apache Jena frameworkA .NET NoSQL DBMS that can integrate with and extend SQL Server.An open-source machine learning database that provides a feature platform for training and inference
Primary database modelRDF storeDocument store
Key-value store
Time Series DBMS
Secondary database modelsRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score3.75
Rank#84  Overall
#3  RDF stores
Score0.02
Rank#367  Overall
#37  Time Series DBMS
Websitejena.apache.org/­documentation/­tdb/­index.htmlopenmldb.ai
Technical documentationjena.apache.org/­documentation/­tdb/­index.htmlopenmldb.ai/­docs/­zh/­main
DeveloperApache Software Foundation infooriginally developed by HP LabsFatCloud4 Paradigm Inc.
Initial release200020122020
Current release4.9.0, July 20232024-2 February 2024
License infoCommercial or Open SourceOpen Source infoApache License, Version 2.0commercialOpen Source
Cloud-based only infoOnly available as a cloud servicenonono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageJavaC#C++, Java, Scala
Server operating systemsAll OS with a Java VMWindowsLinux
Data schemeyes infoRDF Schemasschema-freeFixed schema
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.no
Secondary indexesyesyesyes
SQL infoSupport of SQLnono infoVia inetgration in SQL Serveryes
APIs and other access methodsFuseki infoREST-style SPARQL HTTP Interface
Jena RDF API
RIO infoRDF Input/Output
.NET Client API
LINQ
RESTful HTTP API
RPC
Windows WCF Bindings
JDBC
SQLAlchemy
Supported programming languagesJavaC#C++
Go
Java
Python
Scala
Server-side scripts infoStored proceduresyesyes infovia applicationsno
Triggersyes infovia event handleryes infovia applicationsno
Partitioning methods infoMethods for storing different data on different nodesnoneShardinghorizontal partitioning
Replication methods infoMethods for redundantly storing data on multiple nodesnoneselectable replication factorSource-replica replication
MapReduce infoOffers an API for user-defined Map/Reduce methodsnoyes
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual Consistency
Immediate Consistency
Immediate Consistency
Foreign keys infoReferential integritynono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACID infoTDB Transactionsnono
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
User concepts infoAccess controlAccess control via Jena Securityno infoCan implement custom security layer via applicationsfine grained access rights according to SQL-standard

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More resources
Apache Jena - TDBFatDBOpenMLDB
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