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DBMS > Kdb vs. Oracle Coherence vs. TempoIQ vs. WakandaDB

System Properties Comparison Kdb vs. Oracle Coherence vs. TempoIQ vs. WakandaDB

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Editorial information provided by DB-Engines
NameKdb  Xexclude from comparisonOracle Coherence  Xexclude from comparisonTempoIQ infoformerly TempoDB  Xexclude from comparisonWakandaDB  Xexclude from comparison
TempoIQ seems to be decommissioned. It will be removed from the DB-Engines ranking.
DescriptionHigh performance Time Series DBMSOracles in-memory data grid solutionScalable analytics DBMS for sensor data, provided as a service (SaaS)WakandaDB is embedded in a server that provides a REST API and a server-side javascript engine to access data
Primary database modelTime Series DBMS
Vector DBMS
Key-value storeTime Series DBMSObject oriented DBMS
Secondary database modelsRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score7.71
Rank#49  Overall
#2  Time Series DBMS
#1  Vector DBMS
Score1.97
Rank#129  Overall
#22  Key-value stores
Score0.10
Rank#356  Overall
#16  Object oriented DBMS
Websitekx.comwww.oracle.com/­java/­coherencetempoiq.com (offline)wakanda.github.io
Technical documentationcode.kx.comdocs.oracle.com/­en/­middleware/­standalone/­coherencewakanda.github.io/­doc
DeveloperKx Systems, a division of First Derivatives plcOracleTempoIQWakanda SAS
Initial release2000 infokdb was released 2000, kdb+ in 2003200720122012
Current release3.6, May 201814.1, August 20232.7.0 (AprilĀ 29, 2019), April 2019
License infoCommercial or Open Sourcecommercial infofree 32-bit versioncommercialcommercialOpen Source infoAGPLv3, extended commercial license available
Cloud-based only infoOnly available as a cloud servicenonoyesno
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageqJavaC++, JavaScript
Server operating systemsLinux
OS X
Solaris
Windows
All OS with a Java VMLinux
OS X
Windows
Data schemeyesschema-freeschema-freeyes
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.yesnonono
Secondary indexesyes infotable attribute 'grouped'no
SQL infoSupport of SQLSQL-like query language (q)nonono
APIs and other access methodsHTTP API
JDBC
Jupyter
Kafka
ODBC
WebSocket
JCache
JPA
RESTful HTTP API
HTTP APIRESTful HTTP API
Supported programming languagesC
C#
C++
Go
J
Java
JavaScript
Lua
MatLab
Perl
PHP
Python
R
Scala
.Net
C++
Java
C#
Java
JavaScript infoNode.js
Python
Ruby
JavaScript
Server-side scripts infoStored proceduresuser defined functionsnonoyes
Triggersyes infowith viewsyes infoLive Eventsyes infoRealtime Alertsyes
Partitioning methods infoMethods for storing different data on different nodeshorizontal partitioningShardingnone
Replication methods infoMethods for redundantly storing data on multiple nodesSource-replica replicationyes, with selectable consistency levelnone
MapReduce infoOffers an API for user-defined Map/Reduce methodsno infosimilar paradigm used for internal processingnonono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyEventual Consistency
Immediate Consistency
Immediate Consistency
Foreign keys infoReferential integrityyesnono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanoconfigurablenoACID
Concurrency infoSupport for concurrent manipulation of datayesyesyesyes
Durability infoSupport for making data persistentyesyes infooptionallyyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesyesnono
User concepts infoAccess controlrights management via user accountsauthentification to access the cache via certificates or http basic authenticationsimple authentication-based access controlyes
More information provided by the system vendor
KdbOracle CoherenceTempoIQ infoformerly TempoDBWakandaDB
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
KdbOracle CoherenceTempoIQ infoformerly TempoDBWakandaDB
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