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DBMS > DataFS vs. Realm

System Properties Comparison DataFS vs. Realm

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Editorial information provided by DB-Engines
NameDataFS  Xexclude from comparisonRealm  Xexclude from comparison
DescriptionAll data is stored inside objects which are linked by so-called link attributes. Objects consist of classes which can be extended and de-extended at runtime. Graphs can be defined with a struct.A DBMS built for use on mobile devices that’s a fast, easy to use alternative to SQLite and Core Data
Primary database modelObject oriented DBMSDocument store
Secondary database modelsGraph DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.00
Rank#392  Overall
#21  Object oriented DBMS
Score7.12
Rank#48  Overall
#8  Document stores
Websitenewdatabase.comrealm.io
Technical documentationdev.mobiland.com/­Overview.xsprealm.io/­docs
DeveloperMobiland AGRealm, acquired by MongoDB in May 2019
Initial release20182014
Current release1.1.263, October 2022
License infoCommercial or Open SourcecommercialOpen Source
Cloud-based only infoOnly available as a cloud servicenono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Server operating systemsWindowsAndroid
Backend: server-less
iOS
Windows
Data schemeClasses, Structs, and Lists are written in proprietary DataTypeDefinitionLanguage (.dtdl) and Objects consisting of those are written in proprietary DataAccessDefinitionLanguage (.dadl)yes
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 methods.NET Client API
Proprietary client DLL
WinRT client
Supported programming languages.Net
C
C#
C++
VB.Net
.Net
Java infowith Android only
Objective-C
React Native
Swift
Server-side scripts infoStored proceduresno inforuns within the applications so server-side scripts are unnecessary
Triggersno, except callback-events from server when changes happenedyes infoChange Listeners
Partitioning methods infoMethods for storing different data on different nodesProprietary Sharding systemnone
Replication methods infoMethods for redundantly storing data on multiple nodesnone
MapReduce infoOffers an API for user-defined Map/Reduce methodsnono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integrityyesno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDACID
Concurrency infoSupport for concurrent manipulation of datayes
Durability infoSupport for making data persistentyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.noyes infoIn-Memory realm
User concepts infoAccess controlWindows-Profileyes

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DataFSRealm
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