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DBMS > Apache Jena - TDB vs. FatDB vs. PostGIS vs. VelocityDB

System Properties Comparison Apache Jena - TDB vs. FatDB vs. PostGIS vs. VelocityDB

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Editorial information provided by DB-Engines
NameApache Jena - TDB  Xexclude from comparisonFatDB  Xexclude from comparisonPostGIS  Xexclude from comparisonVelocityDB  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.Spatial extension of PostgreSQLA .NET Object Database that can be embedded/distributed and extended to a graph data model (VelocityGraph)
Primary database modelRDF storeDocument store
Key-value store
Spatial DBMSGraph DBMS
Object oriented DBMS
Secondary database modelsRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score3.62
Rank#83  Overall
#3  RDF stores
Score21.72
Rank#29  Overall
#1  Spatial DBMS
Score0.11
Rank#354  Overall
#37  Graph DBMS
#15  Object oriented DBMS
Websitejena.apache.org/­documentation/­tdb/­index.htmlpostgis.netvelocitydb.com
Technical documentationjena.apache.org/­documentation/­tdb/­index.htmlpostgis.net/­documentationvelocitydb.com/­UserGuide
DeveloperApache Software Foundation infooriginally developed by HP LabsFatCloudVelocityDB Inc
Initial release2000201220052011
Current release4.9.0, July 20233.4.2, February 20247.x
License infoCommercial or Open SourceOpen Source infoApache License, Version 2.0commercialOpen Source infoGPL v2.0commercial
Cloud-based only infoOnly available as a cloud servicenononono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageJavaC#CC#
Server operating systemsAll OS with a Java VMWindowsAny that supports .NET
Data schemeyes infoRDF Schemasschema-freeyesyes
Typing infopredefined data types such as float or dateyesyesyesyes
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
Secondary indexesyesyesyesyes
SQL infoSupport of SQLnono infoVia inetgration in SQL Serveryesno
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
.Net
Supported programming languagesJavaC#.Net
Server-side scripts infoStored proceduresyesyes infovia applicationsuser defined functionsno
Triggersyes infovia event handleryes infovia applicationsyesCallbacks are triggered when data changes
Partitioning methods infoMethods for storing different data on different nodesnoneShardingyes infobased on PostgreSQLSharding
Replication methods infoMethods for redundantly storing data on multiple nodesnoneselectable replication factoryes infobased on PostgreSQL
MapReduce infoOffers an API for user-defined Map/Reduce methodsnoyesnono
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual Consistency
Immediate Consistency
Immediate ConsistencyImmediate Consistency
Foreign keys infoReferential integritynoyesno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACID infoTDB TransactionsnoACIDACID
Concurrency infoSupport for concurrent manipulation of datayesyesyesyes
Durability infoSupport for making data persistentyesyesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.noyes
User concepts infoAccess controlAccess control via Jena Securityno infoCan implement custom security layer via applicationsyes infobased on PostgreSQLBased on Windows Authentication

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More resources
Apache Jena - TDBFatDBPostGISVelocityDB
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