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DBMS > EXASOL vs. Kdb+ vs. XAP

System Properties Comparison EXASOL vs. Kdb+ vs. XAP

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Editorial information provided by DB-Engines
NameEXASOL  Xexclude from comparisonKdb+  Xexclude from comparisonXAP  Xexclude from comparison
DescriptionHigh-performance, in-memory, MPP database specifically designed for in-memory analytics.High performance Time Series DBMSHigh performant in-memory data grid for mission critical applications. Insight Edge from the same company extends XAP for AI/ML support, BI and other interfaces
Primary database modelRelational DBMSTime Series DBMSDocument store
Key-value store infoValues are user defined objects
Secondary database modelsRelational DBMSObject oriented DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score3.04
Rank#87  Overall
#44  Relational DBMS
Score5.50
Rank#58  Overall
#2  Time Series DBMS
Score0.80
Rank#167  Overall
#26  Document stores
#30  Key-value stores
Websitewww.exasol.com/­en/­productskx.comwww.gigaspaces.com/­products/­xap
Technical documentationwww.exasol.com/­en/­community/­resourcescode.kx.comdocs.gigaspaces.com/­latest/­landing.html
DeveloperExasolKx Systems, a division of First Derivatives plcGigaspaces Technologies
Initial release20002000 infokdb was released 2000, kdb+ in 20032000
Current release3.6, May 201814.5.0, June 2019
License infoCommercial or Open Sourcecommercialcommercial infofree 32-bit versionOpen Source infoApache Version 2; Commercial licenses available
Cloud-based only infoOnly available as a cloud servicenonono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageqJava, C++, .Net
Server operating systemsLinux
OS X
Solaris
Windows
Linux
macOS
Solaris
Windows
Data schemeyesyesschema-free
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.noyesno infoXML can be used for describing objects metadata
Secondary indexesyesyes infotable attribute 'grouped'yes
SQL infoSupport of SQLyesSQL-like query language (q)SQL-like query language and DML statements
APIs and other access methods.Net
JDBC
ODBC
WebSocket
HTTP API
JDBC
Jupyter
Kafka
ODBC
WebSocket
GigaSpaces LRMI
Hibernate
JCache
JDBC
JPA
ODBC
RESTful HTTP API
Spring Data
Supported programming languagesJava
Lua
Python
R
C
C#
C++
Go
J
Java
JavaScript
Lua
MatLab
Perl
PHP
Python
R
Scala
.Net
C++
Java
Server-side scripts infoStored proceduresuser defined functionsuser defined functionsyes
Triggersyesyes infowith viewsyes infoEvent Listeners
Partitioning methods infoMethods for storing different data on different nodesShardinghorizontal partitioningSharding infoHash based
Replication methods infoMethods for redundantly storing data on multiple nodesMaster-slave replicationMaster-master replication infosynchronous or asynchronous
Master-slave replication infosynchronous or asynchronous
MapReduce infoOffers an API for user-defined Map/Reduce methodsyes infoHadoop integrationno infosimilar paradigm used for internal processingyes infoMap-Reduce pattern can be built with XAP task executors
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate ConsistencyImmediate Consistency infoConsistency level configurable: ALL, QUORUM, ANY
Foreign keys infoReferential integrityyesyesno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDnoACID
Concurrency infoSupport for concurrent manipulation of datayesyesyes
Durability infoSupport for making data persistentyesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesyesyes
User concepts infoAccess controlAccess rights for users, groups and roles according to SQL-standardrights management via user accountsRole-based access control
More information provided by the system vendor
EXASOLKdb+XAP
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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and for displaying vendor-provided information such as key customers, competitive advantages and market metrics.

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More resources
EXASOLKdb+XAP
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

Data and Data Analysts Take the Lead
20 January 2020, eNewsWire

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