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DBMS > Kdb vs. Netezza vs. OpenQM vs. OpenSearch

System Properties Comparison Kdb vs. Netezza vs. OpenQM vs. OpenSearch

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Editorial information provided by DB-Engines
NameKdb  Xexclude from comparisonNetezza infoAlso called PureData System for Analytics by IBM  Xexclude from comparisonOpenQM infoalso called QM  Xexclude from comparisonOpenSearch  Xexclude from comparison
DescriptionHigh performance Time Series DBMSData warehouse and analytics appliance part of IBM PureSystemsQpenQM is a high-performance, self-tuning, multi-value DBMSA distributed, RESTful search and analytics engine forked from Elasticsearch and based on Apache Lucene
Primary database modelTime Series DBMS
Vector DBMS
Relational DBMSMultivalue DBMSSearch engine
Secondary database modelsRelational DBMSVector DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score7.73
Rank#45  Overall
#2  Time Series DBMS
#1  Vector DBMS
Score7.56
Rank#48  Overall
#31  Relational DBMS
Score0.28
Rank#291  Overall
#10  Multivalue DBMS
Score16.31
Rank#36  Overall
#4  Search engines
Websitekx.comwww.ibm.com/­products/­netezzawww.rocketsoftware.com/­products/­rocket-multivalue-application-development-platform/­rocket-open-qmgithub.com/­opensearch-project
opensearch.org
Technical documentationcode.kx.comopensearch.org/­docs/­latest
DeveloperKx Systems, a division of First Derivatives plcIBMRocket Software, originally Martin PhillipsAmazon Web Services
Initial release2000 infokdb was released 2000, kdb+ in 2003200019932021
Current release3.6, May 20183.4-122.5.0, January 2023
License infoCommercial or Open Sourcecommercial infofree 32-bit versioncommercialOpen Source infoGPLv2, extended commercial license availableOpen Source infoApache Version 2.0
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.
STACKIT OpenSearch offers OpenSearch in a managed version in enterprise grade, 100% GDPR-compliant, for a wide range of applications like analytics, website search, offering scalability and fast data access.
Implementation languageqJava
Server operating systemsLinux
OS X
Solaris
Windows
Linux infoincluded in applianceAIX
FreeBSD
Linux
macOS
Raspberry Pi
Solaris
Windows
All OS with a Java VM
Data schemeyesyesyes infowith some exceptionsschema-free infoFlexible type definitions. Once a type is defined, it is persistent
Typing infopredefined data types such as float or dateyesyesyes
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.yesyes
Secondary indexesyes infotable attribute 'grouped'yesyesyes infoAll search fields are automatically indexed
SQL infoSupport of SQLSQL-like query language (q)yesnoSQL-like query language
APIs and other access methodsHTTP API
JDBC
Jupyter
Kafka
ODBC
WebSocket
JDBC
ODBC
OLE DB
Java API
RESTful HTTP/JSON API
Supported programming languagesC
C#
C++
Go
J
Java
JavaScript
Lua
MatLab
Perl
PHP
Python
R
Scala
C
C++
Fortran
Java
Lua
Perl
Python
R
.Net
Basic
C
Java
Objective C
PHP
Python
Go
Java
JavaScript (Node.js)
PHP
Python
Ruby infoElasticsearch client
Server-side scripts infoStored proceduresuser defined functionsyesyesyes
Triggersyes infowith viewsnoyesyes infoby using the 'percolation' feature
Partitioning methods infoMethods for storing different data on different nodeshorizontal partitioningShardingyesSharding
Replication methods infoMethods for redundantly storing data on multiple nodesSource-replica replicationSource-replica replicationyesyes
MapReduce infoOffers an API for user-defined Map/Reduce methodsno infosimilar paradigm used for internal processingyesno
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate ConsistencyEventual Consistency infoSynchronous doc based replication. Get by ID may show delays up to 1 sec. Configurable write consistency: one, quorum, all
Foreign keys infoReferential integrityyesnonono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanoACIDACIDno
Concurrency infoSupport for concurrent manipulation of datayesyesyesyes
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.yes
User concepts infoAccess controlrights management via user accountsUsers with fine-grained authorization conceptAccess rights can be defined down to the item level
More information provided by the system vendor
KdbNetezza infoAlso called PureData System for Analytics by IBMOpenQM infoalso called QMOpenSearch
Specific characteristicsIntegrated columnar database & programming system for streaming, real time and historical...
» more
OpenSearch is a highly scalable and extensible open-source software suite for search,...
» more
Competitive advantagesprovides seamless scalability; runs on industry standard server platforms; is top-ranked...
» more
Distributed as fully open source under Apache License, Version 2.0 (ALv2), OpenSearch...
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Typical application scenariostick database streaming sensor data massive intelligence applications oil and gas...
» more
The OpenSearch platform is used across a broad range of search , analytics, and observability...
» 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
The OpenSearch Project offers open source software licensed under Apache License...
» more

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More resources
KdbNetezza infoAlso called PureData System for Analytics by IBMOpenQM infoalso called QMOpenSearch
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