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DBMS > Kdb+ vs. Quasardb

System Properties Comparison Kdb+ vs. Quasardb

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Editorial information provided by DB-Engines
NameKdb+  Xexclude from comparisonQuasardb  Xexclude from comparison
DescriptionHigh performance Time Series DBMSDistributed, high-performance timeseries database
Primary database modelTime Series DBMSTime Series DBMS
Secondary database modelsRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score8.10
Rank#51  Overall
#2  Time Series DBMS
Score0.26
Rank#280  Overall
#22  Time Series DBMS
Websitekx.comquasardb.net
Technical documentationcode.kx.comdoc.quasardb.net
DeveloperKx Systems, a division of First Derivatives plcquasardb
Initial release2000 infokdb was released 2000, kdb+ in 20032009
Current release3.6, May 20183.1, January 2019
License infoCommercial or Open Sourcecommercial infofree 32-bit versioncommercial infoFree community edition, Non-profit organizations and non-commercial usage are eligible for free licenses
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 languageqC++
Server operating systemsLinux
OS X
Solaris
Windows
BSD
Linux
OS X
Windows
Data schemeyesschema-free
Typing infopredefined data types such as float or dateyesyes infointeger and binary
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
Secondary indexesyes infotable attribute 'grouped'yes infowith tags
SQL infoSupport of SQLSQL-like query language (q)SQL-like query language
APIs and other access methodsHTTP API
JDBC
Jupyter
Kafka
ODBC
WebSocket
HTTP API
Supported programming languagesC
C#
C++
Go
J
Java
JavaScript
Lua
MatLab
Perl
PHP
Python
R
Scala
.Net
C
C#
C++
Go
Java
JavaScript (Node.js)
PHP
Python
R
Server-side scripts infoStored proceduresuser defined functionsno
Triggersyes infowith viewsno
Partitioning methods infoMethods for storing different data on different nodeshorizontal partitioningSharding infoconsistent hashing
Replication methods infoMethods for redundantly storing data on multiple nodesSource-replica replicationSource-replica replication with selectable replication factor
MapReduce infoOffers an API for user-defined Map/Reduce methodsno infosimilar paradigm used for internal processingwith Hadoop integration
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integrityyesno
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 infoby using LevelDB
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesyes infoTransient mode
User concepts infoAccess controlrights management via user accountsCryptographically strong user authentication and audit trail
More information provided by the system vendor
Kdb+Quasardb
Specific characteristicsIntegrated columnar database & programming system for streaming, real time and historical...
» more
High-performance , high-speed, fully integrated timeseries database Seamlessly combines...
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Competitive advantagesprovides seamless scalability; runs on industry standard server platforms; is top-ranked...
» more
High performance in a cost-effective small package Real-time results for even large...
» more
Typical application scenariostick database streaming sensor data massive intelligence applications oil and gas...
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Tick database Predictive maintenance Pre-deal checks Large scale monitoring
» more
Key customersGoldman Sachs Morgan Stanley Merrill Lynch J.P. Morgan Deutsche Bank IEX Securities...
» more
Large EU investment banks US based hedge funds Orolia Tellmeplus
» more
Market metricskdb+ performance and reliability proven by our customers in critical infrastructure...
» more
Has been running in very demanding production environments since 2013 Rapid adoption...
» more
Licensing and pricing modelsupon request
» more
Community edition limited to 2 nodes and 16 GiB of storage per node available for...
» more

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Kdb+Quasardb
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