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DBMS > openGemini vs. OpenTenBase vs. Oracle Coherence

System Properties Comparison openGemini vs. OpenTenBase vs. Oracle Coherence

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Editorial information provided by DB-Engines
NameopenGemini  Xexclude from comparisonOpenTenBase  Xexclude from comparisonOracle Coherence  Xexclude from comparison
DescriptionAn open source distributed Time Series DBMS with high concurrency, high performance, and high scalabilityAn enterprise-level distributed HTAP open source database based on PostgreSQLOracles in-memory data grid solution
Primary database modelTime Series DBMSRelational DBMSKey-value store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.09
Rank#361  Overall
#37  Time Series DBMS
Score0.08
Rank#370  Overall
#156  Relational DBMS
Score1.97
Rank#129  Overall
#22  Key-value stores
Websitewww.opengemini.org
github.com/­openGemini
github.com/­OpenTenBase/­OpenTenBase
www.opentenbase.org
www.oracle.com/­java/­coherence
Technical documentationdocs.opengemini.org/­guidedocs.opentenbase.org
docs.opentenbase.org/­en
docs.oracle.com/­en/­middleware/­standalone/­coherence
DeveloperHuawei and openGemini communityOpenAtom Foundation, previously TencentOracle
Initial release20222007
Current release1.1, July 20232.5, January 202414.1, August 2023
License infoCommercial or Open SourceOpen Source infoApache Version 2.0Open Source infoBSD-3commercial
Cloud-based only infoOnly available as a cloud servicenonono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageGoJava
Server operating systemsLinux
Windows
LinuxAll OS with a Java VM
Data schemeschema-freeyesschema-free
Typing infopredefined data types such as float or dateInteger, Float, Boolean, Stringyesyes
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.nono
Secondary indexesyesyesno
SQL infoSupport of SQLSQL-like query languageyesno
APIs and other access methodsHTTP RESTJCache
JPA
RESTful HTTP API
Supported programming languagesC
C++
Go
Java
JavaScript (Node.js)
Python
Rust
C
Go
Java
PHP
Python
.Net
C++
Java
Server-side scripts infoStored proceduresnono
Triggersnoyesyes infoLive Events
Partitioning methods infoMethods for storing different data on different nodesShardingShardingSharding
Replication methods infoMethods for redundantly storing data on multiple nodesyesyesyes, with selectable consistency level
MapReduce infoOffers an API for user-defined Map/Reduce methodsnono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyEventual Consistency
Immediate Consistency
Foreign keys infoReferential integritynoyesno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanoACIDconfigurable
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 controlAdministrators and common users accountsAccess rights for users, groups and roles according to SQL-standardauthentification to access the cache via certificates or http basic authentication

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More resources
openGeminiOpenTenBaseOracle Coherence
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