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DBMS > Apache Jena - TDB vs. LMDB vs. Rockset

System Properties Comparison Apache Jena - TDB vs. LMDB vs. Rockset

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Editorial information provided by DB-Engines
NameApache Jena - TDB  Xexclude from comparisonLMDB  Xexclude from comparisonRockset  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 libraryA scalable, reliable search and analytics service in the cloud, built on RocksDB
Primary database modelRDF storeKey-value storeDocument store
Secondary database modelsRelational DBMS
Search engine
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score2.87
Rank#94  Overall
#4  RDF stores
Score1.90
Rank#123  Overall
#21  Key-value stores
Score0.99
Rank#185  Overall
#31  Document stores
Websitejena.apache.org/­documentation/­tdb/­index.htmlwww.symas.com/­symas-embedded-database-lmdbrockset.com
Technical documentationjena.apache.org/­documentation/­tdb/­index.htmlwww.lmdb.tech/­docdocs.rockset.com
DeveloperApache Software Foundation infooriginally developed by HP LabsSymasRockset
Initial release200020112019
Current release4.9.0, July 20230.9.32, January 2024
License infoCommercial or Open SourceOpen Source infoApache License, Version 2.0Open Sourcecommercial
Cloud-based only infoOnly available as a cloud servicenonoyes
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageJavaCC++
Server operating systemsAll OS with a Java VMLinux
Unix
Windows
hosted
Data schemeyes infoRDF Schemasschema-freeschema-free
Typing infopredefined data types such as float or dateyesdynamic typing
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 infoingestion from XML files supported
Secondary indexesyesnoall fields are automatically indexed
SQL infoSupport of SQLnonoRead-only SQL queries, including JOINs
APIs and other access methodsFuseki infoREST-style SPARQL HTTP Interface
Jena RDF API
RIO infoRDF Input/Output
HTTP REST
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
Go
Java
JavaScript (Node.js)
Python
Server-side scripts infoStored proceduresyesnono
Triggersyes infovia event handlernono
Partitioning methods infoMethods for storing different data on different nodesnonenoneAutomatic sharding
Replication methods infoMethods for redundantly storing data on multiple nodesnonenoneyes
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyEventual Consistency
Foreign keys infoReferential integritynono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACID infoTDB TransactionsACIDno
Concurrency infoSupport for concurrent manipulation of datayesyesyes
Durability infoSupport for making data persistentyesyesyes
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 SecuritynoAccess rights for users and organizations can be defined via Rockset console

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More resources
Apache Jena - TDBLMDBRockset
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