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DBMS > DataFS vs. Realm vs. SiteWhere

System Properties Comparison DataFS vs. Realm vs. SiteWhere

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Editorial information provided by DB-Engines
NameDataFS  Xexclude from comparisonRealm  Xexclude from comparisonSiteWhere  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 DataM2M integration platform for persisting/querying time series data
Primary database modelObject oriented DBMSDocument storeTime Series DBMS
Secondary database modelsGraph DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.09
Rank#360  Overall
#18  Object oriented DBMS
Score7.41
Rank#52  Overall
#8  Document stores
Score0.06
Rank#383  Overall
#43  Time Series DBMS
Websitenewdatabase.comrealm.iogithub.com/­sitewhere/­sitewhere
Technical documentationdev.mobiland.com/­Overview.xsprealm.io/­docssitewhere1.sitewhere.io/­index.html
DeveloperMobiland AGRealm, acquired by MongoDB in May 2019SiteWhere
Initial release201820142010
Current release1.1.263, October 2022
License infoCommercial or Open SourcecommercialOpen SourceOpen Source infoCommon Public Attribution License Version 1.0
Cloud-based only infoOnly available as a cloud servicenonono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageJava
Server operating systemsWindowsAndroid
Backend: server-less
iOS
Windows
Linux
OS X
Windows
Data schemeClasses, Structs, and Lists are written in proprietary DataTypeDefinitionLanguage (.dtdl) and Objects consisting of those are written in proprietary DataAccessDefinitionLanguage (.dadl)yespredefined scheme
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 indexesnoyesno
SQL infoSupport of SQLnonono
APIs and other access methods.NET Client API
Proprietary client DLL
WinRT client
HTTP REST
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 systemnoneSharding infobased on HBase
Replication methods infoMethods for redundantly storing data on multiple nodesnoneselectable replication factor infobased on HBase
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integrityyesnono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDACIDno
Concurrency infoSupport for concurrent manipulation of datayesyes
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.noyes infoIn-Memory realmno
User concepts infoAccess controlWindows-ProfileyesUsers with fine-grained authorization concept

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