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DBMS > Realm

Realm System Properties

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Our visitors often compare Realm with SQLite, MongoDB and Couchbase.

Editorial information provided by DB-Engines
NameRealm
DescriptionA mobile DBMS often used as a replacement for SQLite
Primary database modelRelational DBMS
Secondary database modelsKey-value store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score6.20
Rank#50  Overall
#28  Relational DBMS
Websiterealm.io
Technical documentationrealm.io/­docs
DeveloperRealm
Initial release2014
License infoCommercial or Open Sourcecommercial infoLicenses are free. Parts are open sourced.
Cloud-based only infoOnly available as a cloud serviceno
Server operating systemsserver-less
Data schemeyes
Typing infopredefined data types such as float or dateyes
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.no
Secondary indexesyes
SQL infoSupport of SQLno
Supported programming languagesJava infowith Android only
Objective-C
React Native
Swift
Server-side scripts infoStored proceduresno
Triggersyes infoChange Listeners
Partitioning methods infoMethods for storing different data on different nodesnone
Replication methods infoMethods for redundantly storing data on multiple nodesnone
MapReduce infoOffers an API for user-defined Map/Reduce methodsno
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate Consistency
Foreign keys infoReferential integrityno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACID
Durability infoSupport for making data persistentyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yes infoIn-Memory realm
User concepts infoAccess controlno

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More resources
Realm
DB-Engines blog posts

MySQL, PostgreSQL and Redis are the winners of the March ranking
2 March 2016, Paul Andlinger

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Recent citations in the news

Realm.io Mobile Database Adds Professional Edition Service Tier
27 December 2016, ProgrammableWeb

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

Realm Empowers Mobile Developers to Tap Into Serverless Development to Build Collaborative and Realtime Experiences
23 May 2017, Business Wire

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

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

provided by Google News

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