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DBMS > Oracle Coherence vs. Realm

System Properties Comparison Oracle Coherence vs. Realm

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Editorial information provided by DB-Engines
NameOracle Coherence  Xexclude from comparisonRealm  Xexclude from comparison
DescriptionOracles in-memory data grid solutionA mobile DBMS often used as a replacement for SQLite
Primary database modelKey-value storeRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score2.28
Rank#102  Overall
#19  Key-value stores
Score7.92
Rank#44  Overall
#27  Relational DBMS
Websitewww.oracle.com/­technetwork/­middleware/­coherence/­overview/­index.htmlrealm.io
Technical documentationwww.oracle.com/­technetwork/­middleware/­coherence/­documentation/­index.htmlrealm.io/­docs
DeveloperOracleRealm, acquired by MongoDB in May 2019
Initial release20072014
Current release12c, September 2016
License infoCommercial or Open Sourcecommercialcommercial infoLicenses are free. Parts are open sourced.
Cloud-based only infoOnly available as a cloud servicenono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageJava
Server operating systemsAll OS with a Java VMserver-less
Data schemeschema-freeyes
Typing infopredefined data types such as float or dateyesyes
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 indexesnoyes
SQL infoSupport of SQLnono
APIs and other access methodsJCache
JPA
RESTful HTTP API
Supported programming languages.Net
C++
Java
Java infowith Android only
Objective-C
React Native
Swift
Server-side scripts infoStored proceduresnono
Triggersyes infoLive Eventsyes infoChange Listeners
Partitioning methods infoMethods for storing different data on different nodesShardingnone
Replication methods infoMethods for redundantly storing data on multiple nodesyes, with selectable consistency levelnone
MapReduce infoOffers an API for user-defined Map/Reduce methodsnono
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual Consistency
Immediate Consistency
Immediate Consistency
Foreign keys infoReferential integritynono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataconfigurableACID
Concurrency infoSupport for concurrent manipulation of datayes
Durability infoSupport for making data persistentyes infooptionallyyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesyes infoIn-Memory realm
User concepts infoAccess controlauthentification to access the cache via certificates or http basic authenticationno

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More resources
Oracle CoherenceRealm
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Recent citations in the news

David Brimley Articles and Insights
20 September 2019, DevOps.com

GridGain: Product Overview and Analysis - eWEEK
5 June 2019, eWeek

Oracle equips WebLogic, Coherence for cloud use
11 July 2013, PCWorld

SL Corporation Launches RTView Oracle Coherence Monitor 6.0 with Advanced Analytics and Alerting; Integration with RTView Enterprise Monitor
9 May 2013, Business Wire

Railroads Roll Ahead With Cloud-Based Crew Management
10 September 2018, Forbes

provided by Google News

Realm Makes PostgreSQL Real-Time with New Connector
21 March 2017, Database Trends and Applications

Realm Receives Investment from Ericsson Ventures to Advance Development of Edge Computing Solutions
21 September 2017, Business Wire

Realm explains the benefits of real-time collaboration for mobile apps
24 October 2016, App Developer Magazine

Realm Launches Realm Mobile Platform Professional Edition to Drive Collaborative Realtime Applications
12 December 2016, Business Wire

Realm Platform 2.0 Is Significant Step Forward for Building Responsive and Real-Time Mobile Applications
17 October 2017, Business Wire

provided by Google News

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