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DBMS > Apache Jena - TDB vs. EJDB vs. Firebase Realtime Database vs. Prometheus vs. Quasardb

System Properties Comparison Apache Jena - TDB vs. EJDB vs. Firebase Realtime Database vs. Prometheus vs. Quasardb

Editorial information provided by DB-Engines
NameApache Jena - TDB  Xexclude from comparisonEJDB  Xexclude from comparisonFirebase Realtime Database  Xexclude from comparisonPrometheus  Xexclude from comparisonQuasardb  Xexclude from comparison
DescriptionA RDF storage and query DBMS, shipped as an optional-use component of the Apache Jena frameworkEmbeddable document-store database library with JSON representation of queries (in MongoDB style)Cloud-hosted realtime document store. iOS, Android, and JavaScript clients share one Realtime Database instance and automatically receive updates with the newest data.Open-source Time Series DBMS and monitoring systemDistributed, high-performance timeseries database
Primary database modelRDF storeDocument storeDocument storeTime Series DBMSTime Series DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score3.75
Rank#84  Overall
#3  RDF stores
Score0.27
Rank#297  Overall
#44  Document stores
Score14.29
Rank#39  Overall
#6  Document stores
Score8.42
Rank#47  Overall
#2  Time Series DBMS
Score0.14
Rank#332  Overall
#29  Time Series DBMS
Websitejena.apache.org/­documentation/­tdb/­index.htmlgithub.com/­Softmotions/­ejdbfirebase.google.com/­products/­realtime-databaseprometheus.ioquasar.ai
Technical documentationjena.apache.org/­documentation/­tdb/­index.htmlgithub.com/­Softmotions/­ejdb/­blob/­master/­README.mdfirebase.google.com/­docs/­databaseprometheus.io/­docsdoc.quasar.ai/­master
DeveloperApache Software Foundation infooriginally developed by HP LabsSoftmotionsGoogle infoacquired by Google 2014quasardb
Initial release20002012201220152009
Current release4.9.0, July 20233.14.1, January 2024
License infoCommercial or Open SourceOpen Source infoApache License, Version 2.0Open Source infoGPLv2commercialOpen Source infoApache 2.0commercial infoFree community edition, Non-profit organizations and non-commercial usage are eligible for free licenses
Cloud-based only infoOnly available as a cloud servicenonoyesnono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageJavaCGoC++
Server operating systemsAll OS with a Java VMserver-lesshostedLinux
Windows
BSD
Linux
OS X
Windows
Data schemeyes infoRDF Schemasschema-freeschema-freeyesschema-free
Typing infopredefined data types such as float or dateyesyes infostring, integer, double, bool, date, object_idyesNumeric data onlyyes infointeger and binary
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.nono infoImport of XML data possibleno
Secondary indexesyesnoyesnoyes infowith tags
SQL infoSupport of SQLnonononoSQL-like query language
APIs and other access methodsFuseki infoREST-style SPARQL HTTP Interface
Jena RDF API
RIO infoRDF Input/Output
in-process shared libraryAndroid
iOS
JavaScript API
RESTful HTTP API
RESTful HTTP/JSON APIHTTP API
Supported programming languagesJavaActionscript
C
C#
C++
Go
Java
JavaScript (Node.js)
Lua
Objective-C
Pike
Python
Ruby
Java
JavaScript
Objective-C
.Net
C++
Go
Haskell
Java
JavaScript (Node.js)
Python
Ruby
.Net
C
C#
C++
Go
Java
JavaScript (Node.js)
PHP
Python
R
Server-side scripts infoStored proceduresyesnolimited functionality with using 'rules'nono
Triggersyes infovia event handlernoCallbacks are triggered when data changesnono
Partitioning methods infoMethods for storing different data on different nodesnonenoneShardingSharding infoconsistent hashing
Replication methods infoMethods for redundantly storing data on multiple nodesnonenoneyes infoby FederationSource-replica replication with selectable replication factor
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonononowith Hadoop integration
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual Consistency infoif the client is offline
Immediate Consistency infoif the client is online
noneImmediate Consistency
Foreign keys infoReferential integrityno infotypically not needed, however similar functionality with collection joins possiblenonono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACID infoTDB TransactionsnoyesnoACID
Concurrency infoSupport for concurrent manipulation of datayesyes infoRead/Write Lockingyesyesyes
Durability infoSupport for making data persistentyesyesyesyesyes infoby using LevelDB
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.noyes infoTransient mode
User concepts infoAccess controlAccess control via Jena Securitynoyes, based on authentication and database rulesnoCryptographically strong user authentication and audit trail

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More resources
Apache Jena - TDBEJDBFirebase Realtime DatabasePrometheusQuasardb
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