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DBMS > Kdb+ vs. Microsoft Azure Search vs. TypeDB vs. VelocityDB

System Properties Comparison Kdb+ vs. Microsoft Azure Search vs. TypeDB vs. VelocityDB

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Editorial information provided by DB-Engines
NameKdb+  Xexclude from comparisonMicrosoft Azure Search  Xexclude from comparisonTypeDB infoformerly named Grakn  Xexclude from comparisonVelocityDB  Xexclude from comparison
DescriptionHigh performance Time Series DBMSSearch-as-a-service for web and mobile app developmentTypeDB is a strongly-typed database with a rich and logical type system and TypeQL as its query languageA .NET Object Database that can be embedded/distributed and extended to a graph data model (VelocityGraph)
Primary database modelTime Series DBMSSearch engineGraph DBMS
Relational DBMS infoOften described as a 'hyper-relational' database, since it implements the 'Entity-Relationship Paradigm' to manage complex data structures and ontologies.
Graph DBMS
Object oriented DBMS
Secondary database modelsRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score7.23
Rank#59  Overall
#2  Time Series DBMS
Score6.82
Rank#60  Overall
#7  Search engines
Score1.27
Rank#174  Overall
#15  Graph DBMS
#85  Relational DBMS
Score0.21
Rank#324  Overall
#34  Graph DBMS
#17  Object oriented DBMS
Websitekx.comazure.microsoft.com/­en-us/­services/­searchvaticle.comvelocitydb.com
Technical documentationcode.kx.comdocs.microsoft.com/­en-us/­azure/­searchdocs.vaticle.comvelocitydb.com/­UserGuide
DeveloperKx Systems, a division of First Derivatives plcMicrosoftVaticle (formerly Grakn Labs)VelocityDB Inc
Initial release2000 infokdb was released 2000, kdb+ in 2003201520162011
Current release3.6, May 2018V12.14.1, November 20227.x
License infoCommercial or Open Sourcecommercial infofree 32-bit versioncommercialOpen Source infoGPL Version 3, commercial licenses availablecommercial
Cloud-based only infoOnly available as a cloud servicenoyesnono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageqJavaC#
Server operating systemsLinux
OS X
Solaris
Windows
hostedLinux
OS X
Windows
Any that supports .NET
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.yesnonono
Secondary indexesyes infotable attribute 'grouped'yesyesyes
SQL infoSupport of SQLSQL-like query language (q)nonono
APIs and other access methodsHTTP API
JDBC
Jupyter
Kafka
ODBC
WebSocket
RESTful HTTP APIgRPC protocol
TypeDB Console (shell)
TypeDB Studio (Visualisation software- previously TypeDB Workbase)
.Net
Supported programming languagesC
C#
C++
Go
J
Java
JavaScript
Lua
MatLab
Perl
PHP
Python
R
Scala
.Net
C#
All JVM based languages
Groovy
Java
JavaScript (Node.js)
Python
Scala
.Net
Server-side scripts infoStored proceduresuser defined functionsnonono
Triggersyes infowith viewsnonoCallbacks are triggered when data changes
Partitioning methods infoMethods for storing different data on different nodeshorizontal partitioningSharding infoImplicit feature of the cloud serviceSharding infoby using CassandraSharding
Replication methods infoMethods for redundantly storing data on multiple nodesSource-replica replicationyes infoImplicit feature of the cloud serviceMulti-source replication infoby using Cassandra
MapReduce infoOffers an API for user-defined Map/Reduce methodsno infosimilar paradigm used for internal processingnoyes infoby using Apache Kafka and Apache Zookeeperno
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate ConsistencyImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integrityyesnono infosubstituted by the relationship featureno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanonoACIDACID
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.yesnonoyes
User concepts infoAccess controlrights management via user accountsyes infousing Azure authenticationyes infoat REST API level; other APIs in progressBased on Windows Authentication
More information provided by the system vendor
Kdb+Microsoft Azure SearchTypeDB infoformerly named GraknVelocityDB
Specific characteristicsIntegrated columnar database & programming system for streaming, real time and historical...
» more
Meet TypeDB (and TypeQL ) TypeDB is a strongly-typed database with a rich and logical...
» more
Competitive advantagesprovides seamless scalability; runs on industry standard server platforms; is top-ranked...
» more
Entity-Relationship Model TypeDB allows you to model your domain using the well-known...
» more
Typical application scenariostick database streaming sensor data massive intelligence applications oil and gas...
» more
Life sciences : TypeDB makes working with biological data much easier and accelerates...
» 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
AGPL and Commercial . The commercial license is priced based on cluster resources...
» more

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More resources
Kdb+Microsoft Azure SearchTypeDB infoformerly named GraknVelocityDB
DB-Engines blog posts

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