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DBMS > OpenMLDB vs. Percona Server for MongoDB vs. SpaceTime

System Properties Comparison OpenMLDB vs. Percona Server for MongoDB vs. SpaceTime

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Editorial information provided by DB-Engines
NameOpenMLDB  Xexclude from comparisonPercona Server for MongoDB  Xexclude from comparisonSpaceTime  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.SpaceTime is a spatio-temporal DBMS with a focus on performance.
Primary database modelTime Series DBMSDocument storeSpatial DBMS
Secondary database modelsRelational DBMSRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.02
Rank#367  Overall
#37  Time Series DBMS
Score0.52
Rank#254  Overall
#39  Document stores
Score0.00
Rank#383  Overall
#7  Spatial DBMS
Websiteopenmldb.aiwww.percona.com/­mongodb/­software/­percona-server-for-mongodbwww.mireo.com/­spacetime
Technical documentationopenmldb.ai/­docs/­zh/­maindocs.percona.com/­percona-distribution-for-mongodb
Developer4 Paradigm Inc.PerconaMireo
Initial release202020152020
Current release2024-2 February 20243.4.10-2.10, November 2017
License infoCommercial or Open SourceOpen SourceOpen Source infoGPL Version 2commercial
Cloud-based only infoOnly available as a cloud servicenonono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageC++, Java, ScalaC++C++
Server operating systemsLinuxLinuxLinux
Data schemeFixed schemaschema-freeyes
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 indexesyesyesno
SQL infoSupport of SQLyesnoA subset of ANSI SQL is implemented
APIs and other access methodsJDBC
SQLAlchemy
proprietary protocol using JSONRESTful HTTP API
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
C#
C++
Python
Server-side scripts infoStored proceduresnoJavaScriptno
Triggersnonono
Partitioning methods infoMethods for storing different data on different nodeshorizontal partitioningShardingFixed-grid hypercubes
Replication methods infoMethods for redundantly storing data on multiple nodesSource-replica replicationSource-replica replicationReal-time block device replication (DRBD)
MapReduce infoOffers an API for user-defined Map/Reduce methodsyesno
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyEventual Consistency
Immediate Consistency
Immediate Consistency
Foreign keys infoReferential integritynonono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanonono
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.yesyes infovia In-Memory Engineno
User concepts infoAccess controlfine grained access rights according to SQL-standardAccess rights for users and rolesyes

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More resources
OpenMLDBPercona Server for MongoDBSpaceTime
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