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DBMS > ObjectBox vs. OushuDB vs. Realm

System Properties Comparison ObjectBox vs. OushuDB vs. Realm

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Editorial information provided by DB-Engines
NameObjectBox  Xexclude from comparisonOushuDB  Xexclude from comparisonRealm  Xexclude from comparison
DescriptionExtremely fast embedded database for small devices, IoT and MobileA data warehouse powered by Apache HAWQ supporting descriptive analysis and advanced machine learningA DBMS built for use on mobile devices that’s a fast, easy to use alternative to SQLite and Core Data
Primary database modelObject oriented DBMSRelational DBMSDocument store
Secondary database modelsTime Series DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score1.29
Rank#166  Overall
#5  Object oriented DBMS
Score0.10
Rank#355  Overall
#154  Relational DBMS
Score7.41
Rank#52  Overall
#8  Document stores
Websiteobjectbox.iowww.oushu.com/­product/­oushuDBrealm.io
Technical documentationdocs.objectbox.iowww.oushu.com/­documentationrealm.io/­docs
DeveloperObjectBox LimitedOushuRealm, acquired by MongoDB in May 2019
Initial release20172014
Current release4.0.1, August 2020
License infoCommercial or Open SourceOpen Source infoApache License 2.0commercialOpen Source
Cloud-based only infoOnly available as a cloud servicenonono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageC and C++
Server operating systemsAndroid
iOS
Linux
macOS
Windows
LinuxAndroid
Backend: server-less
iOS
Windows
Data schemeyesyesyes
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.nono
Secondary indexesyesyesyes
SQL infoSupport of SQLnoFull-featured ANSI SQL supportno
APIs and other access methodsProprietary native APIJDBC
ODBC
Supported programming languagesC
C++
Dart
Go
Java
JavaScript infoplanned (as of Jan 2019)
Kotlin
Python infoplanned (as of Jan 2019)
Swift
C
C++
.Net
Java infowith Android only
Objective-C
React Native
Swift
Server-side scripts infoStored proceduresnoyesno inforuns within the applications so server-side scripts are unnecessary
Triggersnoyesyes infoChange Listeners
Partitioning methods infoMethods for storing different data on different nodesnoneyesnone
Replication methods infoMethods for redundantly storing data on multiple nodesonline/offline synchronization between client and servernone
MapReduce infoOffers an API for user-defined Map/Reduce methodsnoHadoop integrationno
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 dataACIDACIDACID
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 realm
User concepts infoAccess controlyesKerberos, SSL and role based accessyes
More information provided by the system vendor
ObjectBoxOushuDBRealm
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