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DBMS > Kdb+ vs. Stardog

System Properties Comparison Kdb+ vs. Stardog

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Editorial information provided by DB-Engines
NameKdb+  Xexclude from comparisonStardog  Xexclude from comparison
DescriptionHigh performance Time Series DBMSSemantic graph DBMS, developed in Java
Primary database modelTime Series DBMSGraph DBMS
RDF store
Secondary database modelsRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score5.85
Rank#53  Overall
#2  Time Series DBMS
Score0.81
Rank#166  Overall
#12  Graph DBMS
#7  RDF stores
Websitekx.comwww.stardog.com
Technical documentationcode.kx.comwww.stardog.com/­docs
DeveloperKx Systems, a division of First Derivatives plcComplexible Inc.
Initial release2000 infokdb was released 2000, kdb+ in 20032010
Current release3.6, May 20184.2.4, March 2017
License infoCommercial or Open Sourcecommercial infofree 32-bit versioncommercial infoLimited community edition free
Cloud-based only infoOnly available as a cloud servicenono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageqJava
Server operating systemsLinux
OS X
Solaris
Windows
All OS with a Java VM
Data schemeyesschema-free
Typing infopredefined data types such as float or dateyesyes
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.yesno infoImport/export of XML data possible
Secondary indexesyes infotable attribute 'grouped'yes
SQL infoSupport of SQLSQL-like query language (q)SPARQL is used as query language
APIs and other access methodsHTTP API
Jupyter
Kafka
WebSocket
JDBC
ODBC
HTTP API
OWL
SPARQL
Tinkerpop technology stack with Blueprints, Gremlin, Pipes
Supported programming languagesC
C#
C++
Go
J
Java
JavaScript
Lua
MatLab
Perl
PHP
Python
R
Scala
.Net
Clojure
Groovy
Java
JavaScript
Python
Ruby
Server-side scripts infoStored proceduresuser defined functionsno
Triggersyes infowith viewsyes infovia event handlers
Partitioning methods infoMethods for storing different data on different nodeshorizontal partitioningnone
Replication methods infoMethods for redundantly storing data on multiple nodesMaster-slave replicationMaster-master replication in HA-Cluster infousing Apache ZooKeeper
MapReduce infoOffers an API for user-defined Map/Reduce methodsno infosimilar paradigm used for internal processingno
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate Consistency in HA-Cluster
Foreign keys infoReferential integrityyesyes inforelationships in graphs
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanoACID
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.yesyes
User concepts infoAccess controlrights management via user accountsAccess rights for users and roles
More information provided by the system vendor
Kdb+Stardog
Specific characteristicsIntegrated columnar database & programming system for streaming, real time and historical...
» more
Competitive advantagesprovides seamless scalability; runs on industry standard server platforms; is top-ranked...
» more
Typical application scenariostick database streaming sensor data massive intelligence applications oil and gas...
» more
Key customersGoldman Sachs Morgan Stanley Merrill Lynch J.P. Morgan Deutsche Bank IEX Securities...
» more
Market metricskdb+ performance and reliability proven by our customers in critical infrastructure...
» more
Licensing and pricing modelsupon request
» more

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More resources
Kdb+Stardog
DB-Engines blog posts

Time Series DBMS are the database category with the fastest increase in popularity
4 July 2016, Matthias Gelbmann

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Recent citations in the news

Lenovo Announces Data Center Portfolio Refresh – Featuring New Intel® Processors, Persistent Memory and Enhanced Security
2 April 2019, Associated Press

Kx to power analytics for US real estate giant Zillow
3 April 2019, Associated Press

Kx Qualifies WekaIO to Run with Its kdb+ Database in AWS EC2
28 June 2018, HPCwire

Kx Systems releases SaaS version of kdb+
27 March 2018, Finextra

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