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DBMS > Apache Jena - TDB vs. GreptimeDB vs. IBM Db2 warehouse vs. Kdb vs. Oracle Coherence

System Properties Comparison Apache Jena - TDB vs. GreptimeDB vs. IBM Db2 warehouse vs. Kdb vs. Oracle Coherence

Editorial information provided by DB-Engines
NameApache Jena - TDB  Xexclude from comparisonGreptimeDB  Xexclude from comparisonIBM Db2 warehouse infoformerly named IBM dashDB  Xexclude from comparisonKdb  Xexclude from comparisonOracle Coherence  Xexclude from comparison
DescriptionA RDF storage and query DBMS, shipped as an optional-use component of the Apache Jena frameworkAn open source Time Series DBMS built for increased scalability, high performance and efficiencyCloud-based data warehousing serviceHigh performance Time Series DBMSOracles in-memory data grid solution
Primary database modelRDF storeTime Series DBMSRelational DBMSTime Series DBMS
Vector DBMS
Key-value store
Secondary database modelsRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score3.62
Rank#83  Overall
#3  RDF stores
Score0.12
Rank#351  Overall
#34  Time Series DBMS
Score1.37
Rank#160  Overall
#74  Relational DBMS
Score7.71
Rank#49  Overall
#2  Time Series DBMS
#1  Vector DBMS
Score1.97
Rank#129  Overall
#22  Key-value stores
Websitejena.apache.org/­documentation/­tdb/­index.htmlgreptime.comwww.ibm.com/­products/­db2/­warehousekx.comwww.oracle.com/­java/­coherence
Technical documentationjena.apache.org/­documentation/­tdb/­index.htmldocs.greptime.comcode.kx.comdocs.oracle.com/­en/­middleware/­standalone/­coherence
DeveloperApache Software Foundation infooriginally developed by HP LabsGreptime Inc.IBMKx Systems, a division of First Derivatives plcOracle
Initial release2000202220142000 infokdb was released 2000, kdb+ in 20032007
Current release4.9.0, July 20233.6, May 201814.1, August 2023
License infoCommercial or Open SourceOpen Source infoApache License, Version 2.0Open Source infoApache Version 2.0commercialcommercial infofree 32-bit versioncommercial
Cloud-based only infoOnly available as a cloud servicenonoyesnono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageJavaRustqJava
Server operating systemsAll OS with a Java VMAndroid
Docker
FreeBSD
Linux
macOS
Windows
hostedLinux
OS X
Solaris
Windows
All OS with a Java VM
Data schemeyes infoRDF Schemasschema-free, schema definition possibleyesyesschema-free
Typing infopredefined data types such as float or dateyesyesyesyesyes
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 infoImport/export of XML data possibleyesno
Secondary indexesyesyesyesyes infotable attribute 'grouped'no
SQL infoSupport of SQLnoyesyesSQL-like query language (q)no
APIs and other access methodsFuseki infoREST-style SPARQL HTTP Interface
Jena RDF API
RIO infoRDF Input/Output
gRPC
HTTP API
JDBC
.NET Client API
JDBC
ODBC
OLE DB
HTTP API
JDBC
Jupyter
Kafka
ODBC
WebSocket
JCache
JPA
RESTful HTTP API
Supported programming languagesJavaC++
Erlang
Go
Java
JavaScript
Java
JavaScript (Node.js)
Perl
PHP
Python
R
Ruby
C
C#
C++
Go
J
Java
JavaScript
Lua
MatLab
Perl
PHP
Python
R
Scala
.Net
C++
Java
Server-side scripts infoStored proceduresyesPythonPL/SQL, SQL PLuser defined functionsno
Triggersyes infovia event handleryesyes infowith viewsyes infoLive Events
Partitioning methods infoMethods for storing different data on different nodesnoneShardingShardinghorizontal partitioningSharding
Replication methods infoMethods for redundantly storing data on multiple nodesnoneyesSource-replica replicationyes, with selectable consistency level
MapReduce infoOffers an API for user-defined Map/Reduce methodsnononono infosimilar paradigm used for internal processingno
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate ConsistencyImmediate ConsistencyEventual Consistency
Immediate Consistency
Foreign keys infoReferential integrityyesyesno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACID infoTDB TransactionsACIDnoconfigurable
Concurrency infoSupport for concurrent manipulation of datayesyesyesyesyes
Durability infoSupport for making data persistentyesyesyesyesyes infooptionally
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesyesyes
User concepts infoAccess controlAccess control via Jena SecuritySimple rights management via user accountsfine grained access rights according to SQL-standardrights management via user accountsauthentification to access the cache via certificates or http basic authentication
More information provided by the system vendor
Apache Jena - TDBGreptimeDBIBM Db2 warehouse infoformerly named IBM dashDBKdbOracle Coherence
Specific characteristicsGreptimeDB is a SQL & Python-enabled timeseries database system built from scratch...
» more
Integrated columnar database & programming system for streaming, real time and historical...
» more
Competitive advantages- Inherits advantages of Rust, such as excellent performance, memory safe, resource...
» more
provides seamless scalability; runs on industry standard server platforms; is top-ranked...
» more
Typical application scenariosFor IoT industries, GreptimeDB can seamless integrate with message queues and other...
» more
tick database streaming sensor data massive intelligence applications oil and gas...
» more
Key customersGreptime's clients span multiple sectors including IoT, connected vehicles, and energy...
» more
Goldman Sachs Morgan Stanley Merrill Lynch J.P. Morgan Deutsche Bank IEX Securities...
» more
Market metricsGreptimeDB has garnered global recognition by topping GitHub trends following its...
» more
kdb+ performance and reliability proven by our customers in critical infrastructure...
» more
Licensing and pricing modelsGreptimeDB: open source, distributed, cloud-native TSDB; supports Hybrid Time-series...
» more
upon request
» more

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More resources
Apache Jena - TDBGreptimeDBIBM Db2 warehouse infoformerly named IBM dashDBKdbOracle Coherence
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