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DBMS > openGauss vs. openGemini vs. Oracle

System Properties Comparison openGauss vs. openGemini vs. Oracle

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Editorial information provided by DB-Engines
NameopenGauss  Xexclude from comparisonopenGemini  Xexclude from comparisonOracle  Xexclude from comparison
DescriptionAn enterprise-class RDBMS compatible with high-performance, high-availability and high-performance originally developed by HuaweiAn open source distributed Time Series DBMS with high concurrency, high performance, and high scalabilityWidely used RDBMS
Primary database modelRelational DBMSTime Series DBMSRelational DBMS
Secondary database modelsDocument store
Spatial DBMS
Document store
Graph DBMS infowith Oracle Spatial and Graph
RDF store infowith Oracle Spatial and Graph
Spatial DBMS infowith Oracle Spatial and Graph
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score1.38
Rank#177  Overall
#83  Relational DBMS
Score0.03
Rank#376  Overall
#40  Time Series DBMS
Score1241.45
Rank#1  Overall
#1  Relational DBMS
Websitegitee.com/­opengauss
opengauss.org
www.opengemini.org
github.com/­openGemini
www.oracle.com/­database
Technical documentationdocs.opengauss.org/­en
gitee.com/­opengauss/­docs
docs.opengemini.org/­guidedocs.oracle.com/­en/­database
DeveloperHuawei and openGauss communityHuawei and openGemini communityOracle
Initial release201920221980
Current release3.0, March 20221.1, July 202321c, January 2021
License infoCommercial or Open SourceOpen SourceOpen Source infoApache Version 2.0commercial inforestricted free version is available
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 languageC, C++, JavaGoC and C++
Server operating systemsLinuxLinux
Windows
AIX
HP-UX
Linux
OS X
Solaris
Windows
z/OS
Data schemeyesschema-freeyes infoSchemaless in JSON and XML columns
Typing infopredefined data types such as float or dateyesInteger, Float, Boolean, Stringyes
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.nonoyes
Secondary indexesyesyesyes
SQL infoSupport of SQLANSI SQL 2011SQL-like query languageyes infowith proprietary extensions
APIs and other access methodsJDBC
ODBC
HTTP RESTJDBC
ODBC
ODP.NET
Oracle Call Interface (OCI)
Supported programming languagesC
C++
Java
C
C++
Go
Java
JavaScript (Node.js)
Python
Rust
C
C#
C++
Clojure
Cobol
Delphi
Eiffel
Erlang
Fortran
Groovy
Haskell
Java
JavaScript
Lisp
Objective C
OCaml
Perl
PHP
Python
R
Ruby
Scala
Tcl
Visual Basic
Server-side scripts infoStored proceduresyesnoPL/SQL infoalso stored procedures in Java possible
Triggersyesnoyes
Partitioning methods infoMethods for storing different data on different nodeshorizontal partitioning (by range, list and hash)ShardingSharding, horizontal partitioning
Replication methods infoMethods for redundantly storing data on multiple nodesSource-replica replicationyesMulti-source replication
Source-replica replication
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonono infocan be realized in PL/SQL
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integrityyesnoyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDnoACID infoisolation level can be parameterized
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.noyesyes infoVersion 12c introduced the new option 'Oracle Database In-Memory'
User concepts infoAccess controlAccess rights for users, groups and roles according to SQL-standardAdministrators and common users accountsfine grained access rights according to SQL-standard

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More resources
openGaussopenGeminiOracle
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Recent citations in the news

openGauss Open Source Community Officially Launch
1 July 2020, Huawei

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6 January 2022, Global Times

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12 October 2020, PR Newswire

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