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DBMS > Apache Jena - TDB vs. HarperDB vs. LMDB vs. ReductStore

System Properties Comparison Apache Jena - TDB vs. HarperDB vs. LMDB vs. ReductStore

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Editorial information provided by DB-Engines
NameApache Jena - TDB  Xexclude from comparisonHarperDB  Xexclude from comparisonLMDB  Xexclude from comparisonReductStore  Xexclude from comparison
DescriptionA RDF storage and query DBMS, shipped as an optional-use component of the Apache Jena frameworkUltra-low latency distributed database with an intuitive REST API supporting NoSQL and SQL (including joins). Deployment of functions and databases simultaneously with a consolidated node-level architecture.A high performant, light-weight, embedded key-value database libraryDesigned to manage unstructured time-series data efficiently, providing unique features such as storing time-stamped blobs with labels, customizable data retention policies, and a straightforward FIFO quota system.
Primary database modelRDF storeDocument storeKey-value storeTime Series DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score3.75
Rank#84  Overall
#3  RDF stores
Score0.55
Rank#248  Overall
#38  Document stores
Score1.99
Rank#125  Overall
#21  Key-value stores
Score0.00
Rank#383  Overall
#41  Time Series DBMS
Websitejena.apache.org/­documentation/­tdb/­index.htmlwww.harperdb.iowww.symas.com/­symas-embedded-database-lmdbgithub.com/­reductstore
www.reduct.store
Technical documentationjena.apache.org/­documentation/­tdb/­index.htmldocs.harperdb.io/­docswww.lmdb.tech/­docwww.reduct.store/­docs
DeveloperApache Software Foundation infooriginally developed by HP LabsHarperDBSymasReductStore LLC
Initial release2000201720112023
Current release4.9.0, July 20233.1, August 20210.9.32, January 20241.9, March 2024
License infoCommercial or Open SourceOpen Source infoApache License, Version 2.0commercial infofree community edition availableOpen SourceOpen Source infoBusiness Source License 1.1
Cloud-based only infoOnly available as a cloud servicenononono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageJavaNode.jsCC++, Rust
Server operating systemsAll OS with a Java VMLinux
OS X
Linux
Unix
Windows
Docker
Linux
macOS
Windows
Data schemeyes infoRDF Schemasdynamic schemaschema-free
Typing infopredefined data types such as float or dateyesyes infoJSON data types
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
Secondary indexesyesyesno
SQL infoSupport of SQLnoSQL-like data manipulation statementsno
APIs and other access methodsFuseki infoREST-style SPARQL HTTP Interface
Jena RDF API
RIO infoRDF Input/Output
JDBC
ODBC
React Hooks
RESTful HTTP/JSON API
WebSocket
HTTP API
Supported programming languagesJava.Net
C
C#
C++
ColdFusion
D
Dart
Delphi
Erlang
Go
Haskell
Java
JavaScript (Node.js)
Lisp
MatLab
Objective C
Perl
PHP
PowerShell
Prolog
Python
R
Ruby
Rust
Scala
Swift
.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
C++
JavaScript (Node.js)
Python
Rust
Server-side scripts infoStored proceduresyesCustom Functions infosince release 3.1no
Triggersyes infovia event handlernono
Partitioning methods infoMethods for storing different data on different nodesnoneA table resides as a whole on one (or more) nodes in a clusternone
Replication methods infoMethods for redundantly storing data on multiple nodesnoneyes infothe nodes on which a table resides can be definednone
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integritynono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACID infoTDB TransactionsAtomic execution of specific operationsACID
Concurrency infoSupport for concurrent manipulation of datayesyesyes
Durability infoSupport for making data persistentyesyes, using LMDByes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesyes
User concepts infoAccess controlAccess control via Jena SecurityAccess rights for users and rolesno

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More resources
Apache Jena - TDBHarperDBLMDBReductStore
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