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DBMS > Apache Jena - TDB vs. OpenQM vs. OpenTSDB vs. Realm

System Properties Comparison Apache Jena - TDB vs. OpenQM vs. OpenTSDB vs. Realm

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Editorial information provided by DB-Engines
NameApache Jena - TDB  Xexclude from comparisonOpenQM infoalso called QM  Xexclude from comparisonOpenTSDB  Xexclude from comparisonRealm  Xexclude from comparison
DescriptionA RDF storage and query DBMS, shipped as an optional-use component of the Apache Jena frameworkQpenQM is a high-performance, self-tuning, multi-value DBMSScalable Time Series DBMS based on HBaseA DBMS built for use on mobile devices that’s a fast, easy to use alternative to SQLite and Core Data
Primary database modelRDF storeMultivalue DBMSTime Series DBMSDocument store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score3.62
Rank#83  Overall
#3  RDF stores
Score0.34
Rank#284  Overall
#10  Multivalue DBMS
Score1.68
Rank#142  Overall
#12  Time Series DBMS
Score7.41
Rank#52  Overall
#8  Document stores
Websitejena.apache.org/­documentation/­tdb/­index.htmlwww.rocketsoftware.com/­products/­rocket-multivalue-application-development-platform/­rocket-open-qmopentsdb.netrealm.io
Technical documentationjena.apache.org/­documentation/­tdb/­index.htmlopentsdb.net/­docs/­build/­html/­index.htmlrealm.io/­docs
DeveloperApache Software Foundation infooriginally developed by HP LabsRocket Software, originally Martin Phillipscurrently maintained by Yahoo and other contributorsRealm, acquired by MongoDB in May 2019
Initial release2000199320112014
Current release4.9.0, July 20233.4-12
License infoCommercial or Open SourceOpen Source infoApache License, Version 2.0Open Source infoGPLv2, extended commercial license availableOpen Source infoLGPLOpen Source
Cloud-based only infoOnly available as a cloud servicenononono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageJavaJava
Server operating systemsAll OS with a Java VMAIX
FreeBSD
Linux
macOS
Raspberry Pi
Solaris
Windows
Linux
Windows
Android
Backend: server-less
iOS
Windows
Data schemeyes infoRDF Schemasyes infowith some exceptionsschema-freeyes
Typing infopredefined data types such as float or dateyesnumeric data for metrics, strings for tagsyes
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.yesnono
Secondary indexesyesyesnoyes
SQL infoSupport of SQLnononono
APIs and other access methodsFuseki infoREST-style SPARQL HTTP Interface
Jena RDF API
RIO infoRDF Input/Output
HTTP API
Telnet API
Supported programming languagesJava.Net
Basic
C
Java
Objective C
PHP
Python
Erlang
Go
Java
Python
R
Ruby
.Net
Java infowith Android only
Objective-C
React Native
Swift
Server-side scripts infoStored proceduresyesyesnono inforuns within the applications so server-side scripts are unnecessary
Triggersyes infovia event handleryesnoyes infoChange Listeners
Partitioning methods infoMethods for storing different data on different nodesnoneyesSharding infobased on HBasenone
Replication methods infoMethods for redundantly storing data on multiple nodesnoneyesselectable replication factor infobased on HBasenone
MapReduce infoOffers an API for user-defined Map/Reduce methodsnononono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate Consistency infobased on HBaseImmediate Consistency
Foreign keys infoReferential integritynonono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACID infoTDB TransactionsACIDnoACID
Concurrency infoSupport for concurrent manipulation of datayesyesyes
Durability infoSupport for making data persistentyesyesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.noyes infoIn-Memory realm
User concepts infoAccess controlAccess control via Jena SecurityAccess rights can be defined down to the item levelnoyes

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