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DBMS > Apache Jena - TDB vs. LMDB

System Properties Comparison Apache Jena - TDB vs. LMDB

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Editorial information provided by DB-Engines
NameApache Jena - TDB  Xexclude from comparisonLMDB  Xexclude from comparison
DescriptionA RDF storage and query DBMS, shipped as an optional-use component of the Apache Jena frameworkA high performant, light-weight, embedded key-value database library
Primary database modelRDF storeKey-value store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score3.85
Rank#86  Overall
#3  RDF stores
Score2.33
Rank#118  Overall
#21  Key-value stores
Websitejena.apache.org/­documentation/­tdb/­index.htmlwww.symas.com/­symas-embedded-database-lmdb
Technical documentationjena.apache.org/­documentation/­tdb/­index.htmlwww.lmdb.tech/­doc
DeveloperApache Software Foundation infooriginally developed by HP LabsSymas
Initial release20002011
Current release4.9.0, July 20230.9.32, January 2024
License infoCommercial or Open SourceOpen Source infoApache License, Version 2.0Open Source
Cloud-based only infoOnly available as a cloud servicenono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageJavaC
Server operating systemsAll OS with a Java VMLinux
Unix
Windows
Data schemeyes infoRDF Schemasschema-free
Typing infopredefined data types such as float or dateyes
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 indexesyesno
SQL infoSupport of SQLnono
APIs and other access methodsFuseki infoREST-style SPARQL HTTP Interface
Jena RDF API
RIO infoRDF Input/Output
Supported programming languagesJava.Net
C
C++
Clojure
Go
Haskell
Java
JavaScript (Node.js)
Lisp
Lua
MatLab
Nim
Objective C
OCaml
Perl
PHP
Python
R
Ruby
Rust
Swift
Tcl
Server-side scripts infoStored proceduresyesno
Triggersyes infovia event handlerno
Partitioning methods infoMethods for storing different data on different nodesnonenone
Replication methods infoMethods for redundantly storing data on multiple nodesnonenone
MapReduce infoOffers an API for user-defined Map/Reduce methodsnono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate Consistency
Foreign keys infoReferential integrityno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACID infoTDB TransactionsACID
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.yes
User concepts infoAccess controlAccess control via Jena Securityno

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More resources
Apache Jena - TDBLMDB
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