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DBMS > Kingbase vs. openGemini vs. Oracle Coherence

System Properties Comparison Kingbase vs. openGemini vs. Oracle Coherence

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Editorial information provided by DB-Engines
NameKingbase  Xexclude from comparisonopenGemini  Xexclude from comparisonOracle Coherence  Xexclude from comparison
DescriptionAn enterprise-class RDBMS compatible with PostgreSQL and Oracle and widely used in China.An open source distributed Time Series DBMS with high concurrency, high performance, and high scalabilityOracles in-memory data grid solution
Primary database modelRelational DBMSTime Series DBMSKey-value store
Secondary database modelsDocument store
Spatial DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.44
Rank#258  Overall
#117  Relational DBMS
Score0.00
Rank#385  Overall
#40  Time Series DBMS
Score1.90
Rank#127  Overall
#21  Key-value stores
Websitewww.kingbase.com.cnwww.opengemini.org
github.com/­openGemini
www.oracle.com/­java/­coherence
Technical documentationdocs.opengemini.org/­guidedocs.oracle.com/­en/­middleware/­standalone/­coherence
DeveloperBeiJing KINGBASE Information technologies inc.Huawei and openGemini communityOracle
Initial release199920222007
Current releaseV8.0, August 20211.1, July 202314.1, August 2023
License infoCommercial or Open SourcecommercialOpen Source infoApache Version 2.0commercial
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 and JavaGoJava
Server operating systemsLinux
Windows
Linux
Windows
All OS with a Java VM
Data schemeyesschema-freeschema-free
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.yesnono
Secondary indexesyesyesno
SQL infoSupport of SQLStandard with numerous extensionsSQL-like query languageno
APIs and other access methodsADO.NET
gokb
JDBC
kdbndp
ODBC
PDI
PDO
Pro*C
psycopg2
QT
HTTP RESTJCache
JPA
RESTful HTTP API
Supported programming languages.Net
C
C++
Go
Java
JavaScript (Node.js)
Perl
PHP
Python
C
C++
Go
Java
JavaScript (Node.js)
Python
Rust
.Net
C++
Java
Server-side scripts infoStored proceduresuser defined functionsnono
Triggersyesnoyes infoLive Events
Partitioning methods infoMethods for storing different data on different nodeshorizontal partitioning (by range, list and hash) and vertical partitioningShardingSharding
Replication methods infoMethods for redundantly storing data on multiple nodesyesyesyes, with selectable consistency level
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyEventual Consistency
Immediate Consistency
Foreign keys infoReferential integrityyesnono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDnoconfigurable
Concurrency infoSupport for concurrent manipulation of datayesyesyes
Durability infoSupport for making data persistentyesyesyes infooptionally
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesyes
User concepts infoAccess controlfine grained access rights according to SQL-standardAdministrators and common users accountsauthentification to access the cache via certificates or http basic authentication

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More resources
KingbaseopenGeminiOracle Coherence
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