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DBMS > Kdb vs. RisingWave

System Properties Comparison Kdb vs. RisingWave

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Editorial information provided by DB-Engines
NameKdb  Xexclude from comparisonRisingWave  Xexclude from comparison
DescriptionHigh performance Time Series DBMSA distributed RDBMS for stream processing, wire-compatible with PostgreSQL
Primary database modelTime Series DBMS
Vector DBMS
Relational DBMS
Secondary database modelsRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score7.10
Rank#48  Overall
#2  Time Series DBMS
#4  Vector DBMS
Score0.64
Rank#226  Overall
#104  Relational DBMS
Websitekx.comwww.risingwave.com/­database
Technical documentationcode.kx.comdocs.risingwave.com/­docs/­current/­intro
DeveloperKx Systems, a division of First Derivatives plcRisingWave Labs
Initial release2000 infokdb was released 2000, kdb+ in 20032022
Current release3.6, May 20181.2, September 2023
License infoCommercial or Open Sourcecommercial infofree 32-bit versionOpen Source infoApache Version 2.0
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 languageqRust
Server operating systemsLinux
OS X
Solaris
Windows
Docker
Linux
macOS
Data schemeyesyes
Typing infopredefined data types such as float or dateyesStandard SQL-types and JSON
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
SQL infoSupport of SQLSQL-like query language (q)yes
APIs and other access methodsHTTP API
JDBC
Jupyter
Kafka
ODBC
WebSocket
JDBC
PostgreSQL wire protocol
Supported programming languagesC
C#
C++
Go
J
Java
JavaScript
Lua
MatLab
Perl
PHP
Python
R
Scala
Go
Java
JavaScript (Node.js)
Python
Server-side scripts infoStored proceduresuser defined functionsUDFs in Python or Java
Triggersyes infowith viewsno
Partitioning methods infoMethods for storing different data on different nodeshorizontal partitioning
Replication methods infoMethods for redundantly storing data on multiple nodesSource-replica replication
MapReduce infoOffers an API for user-defined Map/Reduce methodsno infosimilar paradigm used for internal processingno
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate Consistency
Foreign keys infoReferential integrityyesno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanono
Concurrency infoSupport for concurrent manipulation of datayes
Durability infoSupport for making data persistentyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesyes
User concepts infoAccess controlrights management via user accountsUsers and Roles

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More resources
KdbRisingWave
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