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DBMS > Apache Phoenix vs. MaxDB vs. openGemini vs. Oracle Coherence

System Properties Comparison Apache Phoenix vs. MaxDB vs. openGemini vs. Oracle Coherence

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Editorial information provided by DB-Engines
NameApache Phoenix  Xexclude from comparisonMaxDB infoformerly named Adabas-D  Xexclude from comparisonopenGemini  Xexclude from comparisonOracle Coherence  Xexclude from comparison
DescriptionA scale-out RDBMS with evolutionary schema built on Apache HBaseA robust and reliable RDBMS optimized to run all major SAP solutionsAn open source distributed Time Series DBMS with high concurrency, high performance, and high scalabilityOracles in-memory data grid solution
Primary database modelRelational DBMSRelational DBMSTime Series DBMSKey-value store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score1.97
Rank#126  Overall
#59  Relational DBMS
Score2.32
Rank#112  Overall
#55  Relational DBMS
Score0.01
Rank#375  Overall
#39  Time Series DBMS
Score1.92
Rank#130  Overall
#22  Key-value stores
Websitephoenix.apache.orgmaxdb.sap.comwww.opengemini.org
github.com/­openGemini
www.oracle.com/­java/­coherence
Technical documentationphoenix.apache.orgmaxdb.sap.com/­documentationdocs.opengemini.org/­guidedocs.oracle.com/­en/­middleware/­standalone/­coherence
DeveloperApache Software FoundationSAP, acquired from Software AG (Adabas-D) in 1997Huawei and openGemini communityOracle
Initial release2014198420222007
Current release5.0-HBase2, July 2018 and 4.15-HBase1, December 20197.9.10.12, February 20241.1, July 202314.1, August 2023
License infoCommercial or Open SourceOpen Source infoApache Version 2.0commercial infoLimited community edition freeOpen Source infoApache Version 2.0commercial
Cloud-based only infoOnly available as a cloud servicenononono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageJavaC++GoJava
Server operating systemsLinux
Unix
Windows
AIX
HP-UX
Linux
Solaris
Windows
Linux
Windows
All OS with a Java VM
Data schemeyes infolate-bound, schema-on-read capabilitiesyesschema-freeschema-free
Typing infopredefined data types such as float or dateyesyesInteger, 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.nononono
Secondary indexesyesyesyesno
SQL infoSupport of SQLyesyesSQL-like query languageno
APIs and other access methodsJDBCADO.NET
JDBC
ODBC
WebDAV
HTTP RESTJCache
JPA
RESTful HTTP API
Supported programming languagesC
C#
C++
Go
Groovy
Java
PHP
Python
Scala
.Net
C#
Java
Perl
PHP
Python
C
C++
Go
Java
JavaScript (Node.js)
Python
Rust
.Net
C++
Java
Server-side scripts infoStored proceduresuser defined functionsyesnono
Triggersnoyesnoyes infoLive Events
Partitioning methods infoMethods for storing different data on different nodesShardingnoneShardingSharding
Replication methods infoMethods for redundantly storing data on multiple nodesMulti-source replication
Source-replica replication
Source-replica replicationyesyes, with selectable consistency level
MapReduce infoOffers an API for user-defined Map/Reduce methodsHadoop integrationnonono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate Consistency or Eventual ConsistencyImmediate ConsistencyEventual Consistency
Immediate Consistency
Foreign keys infoReferential integritynoyesnono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDACIDnoconfigurable
Concurrency infoSupport for concurrent manipulation of datayesyesyesyes
Durability infoSupport for making data persistentyesyesyesyes infooptionally
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesnoyesyes
User concepts infoAccess controlAccess Control Lists (using HBase ACL) for RBAC, integration with Apache Ranger for RBAC & ABAC, multi-tenancyfine 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
Apache PhoenixMaxDB infoformerly named Adabas-DopenGeminiOracle Coherence
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