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DBMS > Apache Jena - TDB vs. LokiJS vs. Memcached vs. OushuDB

System Properties Comparison Apache Jena - TDB vs. LokiJS vs. Memcached vs. OushuDB

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Editorial information provided by DB-Engines
NameApache Jena - TDB  Xexclude from comparisonLokiJS  Xexclude from comparisonMemcached  Xexclude from comparisonOushuDB  Xexclude from comparison
DescriptionA RDF storage and query DBMS, shipped as an optional-use component of the Apache Jena frameworkIn-memory JavaScript DBMSIn-memory key-value store, originally intended for cachingA data warehouse powered by Apache HAWQ supporting descriptive analysis and advanced machine learning
Primary database modelRDF storeDocument storeKey-value storeRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score2.91
Rank#93  Overall
#3  RDF stores
Score0.44
Rank#256  Overall
#40  Document stores
Score16.84
Rank#32  Overall
#4  Key-value stores
Score0.05
Rank#357  Overall
#151  Relational DBMS
Websitejena.apache.org/­documentation/­tdb/­index.htmlgithub.com/­techfort/­LokiJSwww.memcached.orgwww.oushu.com/­product/­oushuDB
Technical documentationjena.apache.org/­documentation/­tdb/­index.htmltechfort.github.io/­LokiJSgithub.com/­memcached/­memcached/­wikiwww.oushu.com/­documentation
DeveloperApache Software Foundation infooriginally developed by HP LabsDanga Interactive infooriginally developed by Brad Fitzpatrick for LiveJournalOushu
Initial release200020142003
Current release4.9.0, July 20231.6.29, June 20244.0.1, August 2020
License infoCommercial or Open SourceOpen Source infoApache License, Version 2.0Open SourceOpen Source infoBSD licensecommercial
Cloud-based only infoOnly available as a cloud servicenononono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageJavaJavaScriptC
Server operating systemsAll OS with a Java VMserver-less, requires a JavaScript environment (browser, Node.js)FreeBSD
Linux
OS X
Unix
Windows
Linux
Data schemeyes infoRDF Schemasschema-freeschema-freeyes
Typing infopredefined data types such as float or dateyesnonoyes
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 viewsnoyes
SQL infoSupport of SQLnononoFull-featured ANSI SQL support
APIs and other access methodsFuseki infoREST-style SPARQL HTTP Interface
Jena RDF API
RIO infoRDF Input/Output
JavaScript APIProprietary protocolJDBC
ODBC
Supported programming languagesJavaJavaScript.Net
C
C++
ColdFusion
Erlang
Java
Lisp
Lua
OCaml
Perl
PHP
Python
Ruby
C
C++
Server-side scripts infoStored proceduresyesView functions in JavaScriptnoyes
Triggersyes infovia event handleryesnoyes
Partitioning methods infoMethods for storing different data on different nodesnonenonenoneyes
Replication methods infoMethods for redundantly storing data on multiple nodesnonenonenone infoRepcached, a Memcached patch, provides this functionallity
MapReduce infoOffers an API for user-defined Map/Reduce methodsnoyesnoHadoop integration
Consistency concepts infoMethods to ensure consistency in a distributed systemnone
Foreign keys infoReferential integritynono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACID infoTDB Transactionsno infoatomic operations within a single collection possiblenoACID
Concurrency infoSupport for concurrent manipulation of datayesyesyes
Durability infoSupport for making data persistentyesyes infoSerialization of a DB in a Node.JS/Cordova/PhoneGap environment. Usage of the IndexedDB-API in a browser.noyes
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 Securitynoyes infousing SASL (Simple Authentication and Security Layer) protocolKerberos, SSL and role based access

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More resources
Apache Jena - TDBLokiJSMemcachedOushuDB
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