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DBMS > IBM Cloudant vs. InterSystems IRIS vs. OpenMLDB vs. Realm

System Properties Comparison IBM Cloudant vs. InterSystems IRIS vs. OpenMLDB vs. Realm

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Editorial information provided by DB-Engines
NameIBM Cloudant  Xexclude from comparisonInterSystems IRIS  Xexclude from comparisonOpenMLDB  Xexclude from comparisonRealm  Xexclude from comparison
DescriptionDatabase as a Service offering based on Apache CouchDBA containerised multi-model DBMS, interoperability and analytics data platform with wide capabilities for vertical and horizontal scalabilityAn open-source machine learning database that provides a feature platform for training and inferenceA DBMS built for use on mobile devices that’s a fast, easy to use alternative to SQLite and Core Data
Primary database modelDocument storeDocument store
Key-value store
Object oriented DBMS
Relational DBMS
Time Series DBMSDocument store
Secondary database modelsRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score2.75
Rank#104  Overall
#19  Document stores
Score3.54
Rank#84  Overall
#14  Document stores
#10  Key-value stores
#1  Object oriented DBMS
#45  Relational DBMS
Score0.10
Rank#359  Overall
#36  Time Series DBMS
Score7.41
Rank#52  Overall
#8  Document stores
Websitewww.ibm.com/­products/­cloudantwww.intersystems.com/­products/­intersystems-irisopenmldb.airealm.io
Technical documentationcloud.ibm.com/­docs/­Cloudantdocs.intersystems.com/­irislatest/­csp/­docbook/­DocBook.UI.Page.clsopenmldb.ai/­docs/­zh/­mainrealm.io/­docs
DeveloperIBM, Apache Software Foundation infoIBM acquired Cloudant in February 2014InterSystems4 Paradigm Inc.Realm, acquired by MongoDB in May 2019
Initial release2010201820202014
Current release2023.3, June 20232024-2 February 2024
License infoCommercial or Open SourcecommercialcommercialOpen SourceOpen Source
Cloud-based only infoOnly available as a cloud serviceyesnonono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageErlangC++, Java, Scala
Server operating systemshostedAIX
Linux
macOS
Ubuntu
Windows
LinuxAndroid
Backend: server-less
iOS
Windows
Data schemeschema-freedepending on used data modelFixed schemayes
Typing infopredefined data types such as float or datenoyesyesyes
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.noyesnono
Secondary indexesyesyesyesyes
SQL infoSupport of SQLnoyesyesno
APIs and other access methodsRESTful HTTP/JSON APIJDBC
ODBC
RESTful HTTP API
JDBC
SQLAlchemy
Supported programming languagesC#
Java
JavaScript
Objective-C
PHP
Ruby
.Net
C++
Java
JavaScript (Node.js)
Python
C++
Go
Java
Python
Scala
.Net
Java infowith Android only
Objective-C
React Native
Swift
Server-side scripts infoStored proceduresView functions (Map-Reduce) in JavaScriptyesnono inforuns within the applications so server-side scripts are unnecessary
Triggersyesyesnoyes infoChange Listeners
Partitioning methods infoMethods for storing different data on different nodesShardingShardinghorizontal partitioningnone
Replication methods infoMethods for redundantly storing data on multiple nodesMulti-source replication
Source-replica replication
Source-replica replicationSource-replica replicationnone
MapReduce infoOffers an API for user-defined Map/Reduce methodsyesnono
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual ConsistencyImmediate ConsistencyImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integritynoyesnono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datano infoatomic operations within a document possibleACIDnoACID
Concurrency infoSupport for concurrent manipulation of datayes infoOptimistic lockingyesyes
Durability infoSupport for making data persistentyesyesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.noyesyesyes infoIn-Memory realm
User concepts infoAccess controlAccess rights for users can be defined per databaseyesfine grained access rights according to SQL-standardyes
More information provided by the system vendor
IBM CloudantInterSystems IRISOpenMLDBRealm
Specific characteristicsInterSystems IRIS is a complete cloud-first data platform which includes a multi-model...
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More resources
IBM CloudantInterSystems IRISOpenMLDBRealm
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