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DBMS > OpenMLDB vs. Oracle Rdb vs. Percona Server for MongoDB

System Properties Comparison OpenMLDB vs. Oracle Rdb vs. Percona Server for MongoDB

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Editorial information provided by DB-Engines
NameOpenMLDB  Xexclude from comparisonOracle Rdb  Xexclude from comparisonPercona Server for MongoDB  Xexclude from comparison
DescriptionAn open-source machine learning database that provides a feature platform for training and inferenceA drop-in replacement for MongoDB Community Edition with enterprise-grade features.
Primary database modelTime Series DBMSRelational DBMSDocument store
Secondary database modelsRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.02
Rank#367  Overall
#37  Time Series DBMS
Score1.08
Rank#184  Overall
#85  Relational DBMS
Score0.52
Rank#254  Overall
#39  Document stores
Websiteopenmldb.aiwww.oracle.com/­database/­technologies/­related/­rdb.htmlwww.percona.com/­mongodb/­software/­percona-server-for-mongodb
Technical documentationopenmldb.ai/­docs/­zh/­mainwww.oracle.com/­database/­technologies/­related/­rdb-doc.htmldocs.percona.com/­percona-distribution-for-mongodb
Developer4 Paradigm Inc.Oracle, originally developed by Digital Equipment Corporation (DEC)Percona
Initial release202019842015
Current release2024-2 February 20247.4.1.1, 20213.4.10-2.10, November 2017
License infoCommercial or Open SourceOpen SourcecommercialOpen Source infoGPL Version 2
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++, Java, ScalaC++
Server operating systemsLinuxHP Open VMSLinux
Data schemeFixed schemaFlexible Schema (defined schema, partial schema, schema free)schema-free
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.nonono
Secondary indexesyesyesyes
SQL infoSupport of SQLyesyesno
APIs and other access methodsJDBC
SQLAlchemy
proprietary protocol using JSON
Supported programming languagesC++
Go
Java
Python
Scala
Actionscript
C
C#
C++
Clojure
ColdFusion
D
Dart
Delphi
Erlang
Go
Groovy
Haskell
Java
JavaScript
Lisp
Lua
MatLab
Perl
PHP
PowerShell
Prolog
Python
R
Ruby
Scala
Smalltalk
Server-side scripts infoStored proceduresnoJavaScript
Triggersnono
Partitioning methods infoMethods for storing different data on different nodeshorizontal partitioningSharding
Replication methods infoMethods for redundantly storing data on multiple nodesSource-replica replicationSource-replica replication
MapReduce infoOffers an API for user-defined Map/Reduce methodsnoyes
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate ConsistencyEventual Consistency
Immediate Consistency
Foreign keys infoReferential integritynoyesno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanoyes, on a single nodeno
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.yesnoyes infovia In-Memory Engine
User concepts infoAccess controlfine grained access rights according to SQL-standardAccess rights for users and roles

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More resources
OpenMLDBOracle RdbPercona Server for MongoDB
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