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DBMS > Kdb vs. Oracle Rdb vs. Rockset vs. Solr vs. Vitess

System Properties Comparison Kdb vs. Oracle Rdb vs. Rockset vs. Solr vs. Vitess

Editorial information provided by DB-Engines
NameKdb  Xexclude from comparisonOracle Rdb  Xexclude from comparisonRockset  Xexclude from comparisonSolr  Xexclude from comparisonVitess  Xexclude from comparison
DescriptionHigh performance Time Series DBMSA scalable, reliable search and analytics service in the cloud, built on RocksDBA widely used distributed, scalable search engine based on Apache LuceneScalable, distributed, cloud-native DBMS, extending MySQL
Primary database modelTime Series DBMS
Vector DBMS
Relational DBMSDocument storeSearch engineRelational DBMS
Secondary database modelsRelational DBMSRelational DBMS
Search engine
Spatial DBMSDocument store
Spatial 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
Score1.14
Rank#178  Overall
#80  Relational DBMS
Score0.82
Rank#212  Overall
#36  Document stores
Score41.02
Rank#24  Overall
#3  Search engines
Score0.88
Rank#203  Overall
#95  Relational DBMS
Websitekx.comwww.oracle.com/­database/­technologies/­related/­rdb.htmlrockset.comsolr.apache.orgvitess.io
Technical documentationcode.kx.comwww.oracle.com/­database/­technologies/­related/­rdb-doc.htmldocs.rockset.comsolr.apache.org/­resources.htmlvitess.io/­docs
DeveloperKx Systems, a division of First Derivatives plcOracle, originally developed by Digital Equipment Corporation (DEC)RocksetApache Software FoundationThe Linux Foundation, PlanetScale
Initial release2000 infokdb was released 2000, kdb+ in 20031984201920062013
Current release3.6, May 20187.4.1.1, 20219.6.1, May 202415.0.2, December 2022
License infoCommercial or Open Sourcecommercial infofree 32-bit versioncommercialcommercialOpen Source infoApache Version 2Open Source infoApache Version 2.0, commercial licenses available
Cloud-based only infoOnly available as a cloud servicenonoyesnono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageqC++JavaGo
Server operating systemsLinux
OS X
Solaris
Windows
HP Open VMShostedAll OS with a Java VM inforuns as a servlet in servlet container (e.g. Tomcat, Jetty is included)Docker
Linux
macOS
Data schemeyesFlexible Schema (defined schema, partial schema, schema free)schema-freeyes infoDynamic Fields enables on-the-fly addition of new fieldsyes
Typing infopredefined data types such as float or dateyesyesdynamic typingyes infosupports customizable data types and automatic typingyes
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.yesnono infoingestion from XML files supportedyes
Secondary indexesyes infotable attribute 'grouped'yesall fields are automatically indexedyes infoAll search fields are automatically indexedyes
SQL infoSupport of SQLSQL-like query language (q)yesRead-only SQL queries, including JOINsSolr Parallel SQL Interfaceyes infowith proprietary extensions
APIs and other access methodsHTTP API
JDBC
Jupyter
Kafka
ODBC
WebSocket
HTTP RESTJava API
RESTful HTTP/JSON API
ADO.NET
JDBC
MySQL protocol
ODBC
Supported programming languagesC
C#
C++
Go
J
Java
JavaScript
Lua
MatLab
Perl
PHP
Python
R
Scala
Go
Java
JavaScript (Node.js)
Python
.Net
Erlang
Java
JavaScript
any language that supports sockets and either XML or JSON
Perl
PHP
Python
Ruby
Scala
Ada
C
C#
C++
D
Delphi
Eiffel
Erlang
Haskell
Java
JavaScript (Node.js)
Objective-C
OCaml
Perl
PHP
Python
Ruby
Scheme
Tcl
Server-side scripts infoStored proceduresuser defined functionsnoJava pluginsyes infoproprietary syntax
Triggersyes infowith viewsnoyes infoUser configurable commands triggered on index changesyes
Partitioning methods infoMethods for storing different data on different nodeshorizontal partitioningAutomatic shardingShardingSharding
Replication methods infoMethods for redundantly storing data on multiple nodesSource-replica replicationyesyesMulti-source replication
Source-replica replication
MapReduce infoOffers an API for user-defined Map/Reduce methodsno infosimilar paradigm used for internal processingnonospark-solr: github.com/­lucidworks/­spark-solr and streaming expressions to reduceno
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate ConsistencyEventual ConsistencyEventual ConsistencyEventual Consistency across shards
Immediate Consistency within a shard
Foreign keys infoReferential integrityyesyesnonoyes infonot for MyISAM storage engine
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanoyes, on a single nodenooptimistic lockingACID at shard level
Concurrency infoSupport for concurrent manipulation of datayesyesyesyesyes infotable locks or row locks depending on storage engine
Durability infoSupport for making data persistentyesyesyesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesnoyesyes
User concepts infoAccess controlrights management via user accountsAccess rights for users and organizations can be defined via Rockset consoleyesUsers with fine-grained authorization concept infono user groups or roles
More information provided by the system vendor
KdbOracle RdbRocksetSolrVitess
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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KdbOracle RdbRocksetSolrVitess
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