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DBMS > Kdb vs. MonetDB vs. NuoDB vs. Splunk

System Properties Comparison Kdb vs. MonetDB vs. NuoDB vs. Splunk

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Editorial information provided by DB-Engines
NameKdb  Xexclude from comparisonMonetDB  Xexclude from comparisonNuoDB  Xexclude from comparisonSplunk  Xexclude from comparison
DescriptionHigh performance Time Series DBMSA relational database management system that stores data in columnsNuoDB is a webscale distributed database that supports SQL and ACID transactionsAnalytics Platform for Big Data
Primary database modelTime Series DBMS
Vector DBMS
Relational DBMSRelational DBMSSearch engine
Secondary database modelsRelational DBMSDocument store
Spatial DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score7.55
Rank#53  Overall
#3  Time Series DBMS
#1  Vector DBMS
Score1.72
Rank#145  Overall
#67  Relational DBMS
Score0.89
Rank#198  Overall
#92  Relational DBMS
Score86.45
Rank#14  Overall
#2  Search engines
Websitekx.comwww.monetdb.orgwww.3ds.com/­nuodb-distributed-sql-databasewww.splunk.com
Technical documentationcode.kx.comwww.monetdb.org/­Documentationdoc.nuodb.comdocs.splunk.com/­Documentation/­Splunk
DeveloperKx Systems, a division of First Derivatives plcMonetDB BVDassault Systèmes infooriginally NuoDB, Inc.Splunk Inc.
Initial release2000 infokdb was released 2000, kdb+ in 2003200420132003
Current release3.6, May 2018Dec2023 (11.49), December 2023
License infoCommercial or Open Sourcecommercial infofree 32-bit versionOpen Source infoMozilla Public License 2.0commercial infolimited edition freecommercial infoLimited free edition and free developer edition available
Cloud-based only infoOnly available as a cloud servicenononono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageqCC++
Server operating systemsLinux
OS X
Solaris
Windows
FreeBSD
Linux
OS X
Solaris
Windows
hosted infoAmazon EC2, Windows Azure, SoftLayer
Linux
OS X
Windows
Linux
OS X
Solaris
Windows
Data schemeyesyesyesyes
Typing infopredefined data types such as float or dateyesyesyesyes
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.yesnoyes
Secondary indexesyes infotable attribute 'grouped'yesyesyes
SQL infoSupport of SQLSQL-like query language (q)yes infoSQL 2003 with some extensionsyesno infoSplunk Search Processing Language for search commands
APIs and other access methodsHTTP API
JDBC
Jupyter
Kafka
ODBC
WebSocket
JDBC
native C library infoMAPI library (MonetDB application programming interface)
ODBC
ADO.NET
JDBC
ODBC
HTTP REST
Supported programming languagesC
C#
C++
Go
J
Java
JavaScript
Lua
MatLab
Perl
PHP
Python
R
Scala
C
C++
Java
JavaScript (Node.js)
Perl
PHP
Python
R
Ruby
.Net
C
C++
Go
Java
JavaScript
JavaScript (Node.js)
PHP
Python
Ruby
C#
Java
JavaScript
PHP
Python
Ruby
Server-side scripts infoStored proceduresuser defined functionsyes, in SQL, C, RJava, SQLyes
Triggersyes infowith viewsyesyesyes
Partitioning methods infoMethods for storing different data on different nodeshorizontal partitioningSharding via remote tablesdata is dynamically stored/cached on the nodes where it is read/writtenSharding
Replication methods infoMethods for redundantly storing data on multiple nodesSource-replica replicationnone infoSource-replica replication available in experimental statusyes infoManaged transparently by NuoDBMulti-source replication
MapReduce infoOffers an API for user-defined Map/Reduce methodsno infosimilar paradigm used for internal processingnonoyes
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate ConsistencyEventual Consistency
Foreign keys infoReferential integrityyesyesyesno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanoACIDACID infotunable commit protocolno infoA 'Transaction' in Splunk has a different meaning: grouping related events into a single one for later searching
Concurrency infoSupport for concurrent manipulation of datayesyesyes infoMVCCyes
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.yesyes infoTemporary tableno
User concepts infoAccess controlrights management via user accountsfine grained access rights according to SQL-standardStandard SQL roles/ privileges, Administrative UsersAccess rights for users and roles
More information provided by the system vendor
KdbMonetDBNuoDBSplunk
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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KdbMonetDBNuoDBSplunk
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