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DBMS > DataChemist vs. Kdb+

System Properties Comparison DataChemist vs. Kdb+

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Editorial information provided by DB-Engines
NameDataChemist  Xexclude from comparisonKdb+  Xexclude from comparison
DescriptionScalable Graph Database platform making enterprise data available by exploiting inferred entities and relationshipsHigh performance Time Series DBMS
Primary database modelGraph DBMSTime Series DBMS
Secondary database modelsRDF storeRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.07
Rank#305  Overall
#31  Graph DBMS
Score5.76
Rank#60  Overall
#2  Time Series DBMS
Websitewww.datachemist.comkx.com
Technical documentationwww.datachemist.com/­images/­uploads/­general/­Evolving_MeaningfulValuefromEnterpriseData.pdfcode.kx.com
DeveloperDataChemist Ltd.Kx Systems, a division of First Derivatives plc
Initial release20182000 infokdb was released 2000, kdb+ in 2003
Current release1.0, 20183.6, May 2018
License infoCommercial or Open Sourcecommercialcommercial infofree 32-bit version
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 languagePrologq
Server operating systemsLinuxLinux
OS X
Solaris
Windows
Data schemeyesyes
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.noyes
Secondary indexesyes infotable attribute 'grouped'
SQL infoSupport of SQLSQL-like query language (WOQL)SQL-like query language (q)
APIs and other access methodsOWL
RESTful HTTP API
WOQL (DataChemist Query Language)
HTTP API
Jupyter
Kafka
WebSocket
JDBC
ODBC
Supported programming languagesJavaScript
Python
C
C#
C++
Go
J
Java
JavaScript
Lua
MatLab
Perl
PHP
Python
R
Scala
Server-side scripts infoStored proceduresyesuser defined functions
Triggersyesyes infowith views
Partitioning methods infoMethods for storing different data on different nodesGraph Partitioninghorizontal partitioning
Replication methods infoMethods for redundantly storing data on multiple nodesJournaling StreamsMaster-slave replication
MapReduce infoOffers an API for user-defined Map/Reduce methodsnono infosimilar paradigm used for internal processing
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate Consistency
Foreign keys infoReferential integrityyesyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDno
Concurrency infoSupport for concurrent manipulation of datayesyes
Durability infoSupport for making data persistentyes infoin-memory journalingyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yes
User concepts infoAccess controlRole-based access controlrights management via user accounts
More information provided by the system vendor
DataChemistKdb+
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
DataChemistKdb+
DB-Engines blog posts

Time Series DBMS are the database category with the fastest increase in popularity
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Recent citations in the news

DataChemist wants to make sense of big-picture intelligence in the data analytics 'arms race'
7 March 2019, Fora.ie

Dublin start-up chosen to work on global peace initiative
7 January 2019, The Irish Times

'If data is the new oil, DataChemist is the refinery'
27 August 2018, RTÉ News

Tánaiste Simon Coveney Launches DataChemist, Trinity College Dublin Technology Spin-out
28 August 2018, Irish Tech News

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5 August 2019, Space.com

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It’s About Time For Time Series Databases
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At Kx Systems Big Data Is Old News
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16 April 2019, Built In Chicago

Kx Breaks STAC Benchmark Record with Dell EMC DSSD D5
4 November 2016, insideHPC

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