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DBMS > Apache Doris vs. Kdb vs. openGauss

System Properties Comparison Apache Doris vs. Kdb vs. openGauss

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Editorial information provided by DB-Engines
NameApache Doris  Xexclude from comparisonKdb  Xexclude from comparisonopenGauss  Xexclude from comparison
DescriptionAn MPP-based analytics DBMS embracing the MySQL protocolHigh performance Time Series DBMSAn enterprise-class RDBMS compatible with high-performance, high-availability and high-performance originally developed by Huawei
Primary database modelRelational DBMSTime Series DBMS
Vector DBMS
Relational DBMS
Secondary database modelsRelational DBMSDocument store
Spatial DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.51
Rank#246  Overall
#115  Relational DBMS
Score6.58
Rank#54  Overall
#3  Time Series DBMS
#4  Vector DBMS
Score0.96
Rank#187  Overall
#85  Relational DBMS
Websitedoris.apache.org
github.com/­apache/­doris
kx.comgitee.com/­opengauss
opengauss.org
Technical documentationgithub.com/­apache/­doris/­wikicode.kx.comdocs.opengauss.org/­en
gitee.com/­opengauss/­docs
DeveloperApache Software Foundation, originally contributed from BaiduKx Systems, a division of First Derivatives plcHuawei and openGauss community
Initial release20172000 infokdb was released 2000, kdb+ in 20032019
Current release1.2.2, February 20233.6, May 20183.0, March 2022
License infoCommercial or Open SourceOpen Source infoApache Version 2.0commercial infofree 32-bit versionOpen Source
Cloud-based only infoOnly available as a cloud servicenonono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageJavaqC, C++, Java
Server operating systemsLinuxLinux
OS X
Solaris
Windows
Linux
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.noyesno
Secondary indexesyesyes infotable attribute 'grouped'yes
SQL infoSupport of SQLyesSQL-like query language (q)ANSI SQL 2011
APIs and other access methodsJDBC
MySQL client
HTTP API
JDBC
Jupyter
Kafka
ODBC
WebSocket
JDBC
ODBC
Supported programming languagesJavaC
C#
C++
Go
J
Java
JavaScript
Lua
MatLab
Perl
PHP
Python
R
Scala
C
C++
Java
Server-side scripts infoStored proceduresuser defined functionsuser defined functionsyes
Triggersnoyes infowith viewsyes
Partitioning methods infoMethods for storing different data on different nodeshorizontal partitioninghorizontal partitioninghorizontal partitioning (by range, list and hash)
Replication methods infoMethods for redundantly storing data on multiple nodesnoneSource-replica replicationSource-replica replication
MapReduce infoOffers an API for user-defined Map/Reduce methodsnono infosimilar paradigm used for internal processingno
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integritynoyesyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanoACID
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.noyesno
User concepts infoAccess controlfine grained access rights according to SQL-standardrights management via user accountsAccess rights for users, groups and roles according to SQL-standard

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More resources
Apache DorisKdbopenGauss
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