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DBMS > Apache Jena - TDB vs. Heroic

System Properties Comparison Apache Jena - TDB vs. Heroic

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NameApache Jena - TDB  Xexclude from comparisonHeroic  Xexclude from comparison
DescriptionA RDF storage and query DBMS, shipped as an optional-use component of the Apache Jena frameworkTime Series DBMS built at Spotify based on Cassandra or Google Cloud Bigtable, and ElasticSearch
Primary database modelRDF storeTime Series DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score3.02
Rank#102  Overall
#3  RDF stores
Score0.22
Rank#285  Overall
#25  Time Series DBMS
Websitejena.apache.org/­documentation/­tdb/­index.htmlspotify.github.io/­heroic/­#!/­index
Technical documentationjena.apache.org/­documentation/­tdb/­index.htmlspotify.github.io/­heroic/­#!/­docs/­overview
DeveloperApache Software Foundation infooriginally developed by HP LabsSpotify
Initial release20002014
Current release4.3.2, December 2021
License infoCommercial or Open SourceOpen Source infoApache License, Version 2.0Open Source infoApache 2.0
Cloud-based only infoOnly available as a cloud servicenono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageJavaJava
Server operating systemsAll OS with a Java VM
Data schemeyes infoRDF Schemasschema-free
Typing infopredefined data types such as float or dateyesyes
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 indexesyesyes infovia Elasticsearch
SQL infoSupport of SQLnono
APIs and other access methodsFuseki infoREST-style SPARQL HTTP Interface
Jena RDF API
RIO infoRDF Input/Output
HQL (Heroic Query Language, a JSON-based language)
HTTP API
Supported programming languagesJava
Server-side scripts infoStored proceduresyesno
Triggersyes infovia event handlerno
Partitioning methods infoMethods for storing different data on different nodesnoneSharding
Replication methods infoMethods for redundantly storing data on multiple nodesnoneyes
MapReduce infoOffers an API for user-defined Map/Reduce methodsnono
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual Consistency
Immediate Consistency
Foreign keys infoReferential integrityno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACID infoTDB Transactionsno
Concurrency infoSupport for concurrent manipulation of datayesyes
Durability infoSupport for making data persistentyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.no
User concepts infoAccess controlAccess control via Jena Security

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More resources
Apache Jena - TDBHeroic
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