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DBMS > Firebase Realtime Database vs. Oracle Coherence

System Properties Comparison Firebase Realtime Database vs. Oracle Coherence

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Editorial information provided by DB-Engines
NameFirebase Realtime Database  Xexclude from comparisonOracle Coherence  Xexclude from comparison
DescriptionCloud-hosted realtime document store. iOS, Android, and JavaScript clients share one Realtime Database instance and automatically receive updates with the newest data.Oracles in-memory data grid solution
Primary database modelDocument storeKey-value store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score18.80
Rank#38  Overall
#6  Document stores
Score2.36
Rank#119  Overall
#23  Key-value stores
Websitefirebase.google.com/­products/­realtime-databasewww.oracle.com/­middleware/­technologies/­coherence.html
Technical documentationfirebase.google.com/­docs/­databasedocs.oracle.com/­en/­middleware/­standalone/­coherence
DeveloperGoogle infoacquired by Google 2014Oracle
Initial release20122007
Current release12c, September 2016
License infoCommercial or Open Sourcecommercialcommercial
Cloud-based only infoOnly available as a cloud serviceyesno
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageJava
Server operating systemshostedAll OS with a Java VM
Data schemeschema-freeschema-free
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 indexesyesno
SQL infoSupport of SQLnono
APIs and other access methodsAndroid
iOS
JavaScript API
RESTful HTTP API
JCache
JPA
RESTful HTTP API
Supported programming languagesJava
JavaScript
Objective-C
.Net
C++
Java
Server-side scripts infoStored procedureslimited functionality with using 'rules'no
TriggersCallbacks are triggered when data changesyes infoLive Events
Partitioning methods infoMethods for storing different data on different nodesSharding
Replication methods infoMethods for redundantly storing data on multiple nodesyes, with selectable consistency level
MapReduce infoOffers an API for user-defined Map/Reduce methodsnono
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual Consistency infoif the client is offline
Immediate Consistency infoif the client is online
Eventual Consistency
Immediate Consistency
Foreign keys infoReferential integritynono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datayesconfigurable
Concurrency infoSupport for concurrent manipulation of datayesyes
Durability infoSupport for making data persistentyesyes infooptionally
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yes
User concepts infoAccess controlyes, based on authentication and database rulesauthentification to access the cache via certificates or http basic authentication

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More resources
Firebase Realtime DatabaseOracle Coherence
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