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DBMS > Kdb vs. OceanBase vs. openGauss

System Properties Comparison Kdb vs. OceanBase vs. openGauss

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Editorial information provided by DB-Engines
NameKdb  Xexclude from comparisonOceanBase  Xexclude from comparisonopenGauss  Xexclude from comparison
DescriptionHigh performance Time Series DBMSA distributed, high available RDBMS compatible with Oracle and MySQLAn enterprise-class RDBMS compatible with high-performance, high-availability and high-performance originally developed by Huawei
Primary database modelTime Series DBMS
Vector DBMS
Relational DBMSRelational DBMS
Secondary database modelsRelational DBMSDocument store
Wide column store
Document store
Spatial DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score7.55
Rank#53  Overall
#3  Time Series DBMS
#1  Vector DBMS
Score1.66
Rank#147  Overall
#68  Relational DBMS
Score1.08
Rank#183  Overall
#84  Relational DBMS
Websitekx.comen.oceanbase.comgitee.com/­opengauss
opengauss.org
Technical documentationcode.kx.comen.oceanbase.com/­docs/­oceanbase-databasedocs.opengauss.org/­en
gitee.com/­opengauss/­docs
DeveloperKx Systems, a division of First Derivatives plcOceanBase infopreviously Alibaba and Ant GroupHuawei and openGauss community
Initial release2000 infokdb was released 2000, kdb+ in 200320102019
Current release3.6, May 20184.3.0, April 20243.0, March 2022
License infoCommercial or Open Sourcecommercial infofree 32-bit versionOpen Source infoCommercial license availableOpen Source
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 languageqC++C, C++, Java
Server operating systemsLinux
OS X
Solaris
Windows
LinuxLinux
Data schemeyesyesyes
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.yesyesno
Secondary indexesyes infotable attribute 'grouped'yesyes
SQL infoSupport of SQLSQL-like query language (q)yesANSI SQL 2011
APIs and other access methodsHTTP API
JDBC
Jupyter
Kafka
ODBC
WebSocket
JDBC
ODBC
ODP.NET
Oracle Call Interface (OCI)
Proprietary native API
Table API
JDBC
ODBC
Supported programming languagesC
C#
C++
Go
J
Java
JavaScript
Lua
MatLab
Perl
PHP
Python
R
Scala
Ada infoin MySQL-compatible model
C infoin Oracle- and MySQL- compatible models
C++ infoin Oracle- and MySQL- compatible models
D infoin MySQL-compatible model
Delphi infoin MySQL-compatible model
Eiffel infoin MySQL-compatible model
Erlang infoin MySQL-compatible model
Haskell infoin MySQL-compatible model
Java infoin Oracle- and MySQL- compatible models
JavaScript (Node.js) infoin MySQL-compatible model
Objective-C infoin MySQL-compatible model
OCaml infoin MySQL-compatible model
Perl infoin MySQL-compatible model
PHP infoin MySQL-compatible model
Python infoin MySQL-compatible model
Ruby infoin MySQL-compatible model
Scheme infoin MySQL-compatible model
Tcl infoin MySQL-compatible model
C
C++
Java
Server-side scripts infoStored proceduresuser defined functionsPL/SQL in oracle-compatible mode, MySQL Stored Procedure in mysql-compatible modeyes
Triggersyes infowith viewsyesyes
Partitioning methods infoMethods for storing different data on different nodeshorizontal partitioninghorizontal partitioning (by hash, key, range, range columns, list, and list columns)horizontal partitioning (by range, list and hash)
Replication methods infoMethods for redundantly storing data on multiple nodesSource-replica replicationMulti-source replication using PaxosSource-replica replication
MapReduce infoOffers an API for user-defined Map/Reduce methodsno infosimilar paradigm used for internal processingnono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integrityyesyesyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanoACIDACID
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.yesno
User concepts infoAccess controlrights management via user accountsAccess rights for users, groups and roles according to SQL-standardAccess rights for users, groups and roles according to SQL-standard
More information provided by the system vendor
KdbOceanBaseopenGauss
Specific characteristicsIntegrated columnar database & programming system for streaming, real time and historical...
» more
OceanBase Database is the world’s only native distributed database that has set new...
» more
Competitive advantagesprovides seamless scalability; runs on industry standard server platforms; is top-ranked...
» more
High Availability : The five IDCs across three sites disaster recovery solution sets...
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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
OceanBase Database has helped over 400 customers across industries upgrade their...
» more
Market metricskdb+ performance and reliability proven by our customers in critical infrastructure...
» more
TPC-C No.1 Performance , achieved a result of 707.35 million tpmC in the TPC-C benchmark...
» more
Licensing and pricing modelsupon request
» more
Mulan PubL v2 license for open source community edition. Commercial license for enterprise...
» more

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More resources
KdbOceanBaseopenGauss
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