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DBMS > Firebase Realtime Database vs. Oracle Coherence vs. searchxml

System Properties Comparison Firebase Realtime Database vs. Oracle Coherence vs. searchxml

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Editorial information provided by DB-Engines
NameFirebase Realtime Database  Xexclude from comparisonOracle Coherence  Xexclude from comparisonsearchxml  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 solutionDBMS for structured and unstructured content wrapped with an application server
Primary database modelDocument storeKey-value storeNative XML DBMS
Search engine
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score15.07
Rank#38  Overall
#6  Document stores
Score2.32
Rank#126  Overall
#23  Key-value stores
Score0.00
Rank#397  Overall
#7  Native XML DBMS
#25  Search engines
Websitefirebase.google.com/­products/­realtime-databasewww.oracle.com/­java/­coherencewww.searchxml.net/­category/­products
Technical documentationfirebase.google.com/­docs/­databasedocs.oracle.com/­en/­middleware/­standalone/­coherencewww.searchxml.net/­support/­handouts
DeveloperGoogle infoacquired by Google 2014Oracleinformationpartners gmbh
Initial release201220072015
Current release14.1, August 20231.0
License infoCommercial or Open Sourcecommercialcommercialcommercial
Cloud-based only infoOnly available as a cloud serviceyesnono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageJavaC++
Server operating systemshostedAll OS with a Java VMWindows
Data schemeschema-freeschema-freeschema-free
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.nonoyes
Secondary indexesyesnoyes
SQL infoSupport of SQLnonono
APIs and other access methodsAndroid
iOS
JavaScript API
RESTful HTTP API
JCache
JPA
RESTful HTTP API
RESTful HTTP API
WebDAV
XQuery
XSLT
Supported programming languagesJava
JavaScript
Objective-C
.Net
C++
Java
C++ infomost other programming languages supported via APIs
Server-side scripts infoStored procedureslimited functionality with using 'rules'noyes infoon the application server
TriggersCallbacks are triggered when data changesyes infoLive Eventsno
Partitioning methods infoMethods for storing different data on different nodesShardingnone
Replication methods infoMethods for redundantly storing data on multiple nodesyes, with selectable consistency levelyes infosychronisation to multiple collections
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonono
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
Immediate Consistency
Foreign keys infoReferential integritynonono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datayesconfigurablemultiple readers, single writer
Concurrency infoSupport for concurrent manipulation of datayesyesyes
Durability infoSupport for making data persistentyesyes infooptionallyyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesno
User concepts infoAccess controlyes, based on authentication and database rulesauthentification to access the cache via certificates or http basic authenticationDomain, group and role-based access control at the document level and for application services

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More resources
Firebase Realtime DatabaseOracle Coherencesearchxml
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