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DBMS > Firebase Realtime Database vs. Microsoft Azure SQL Data Warehouse vs. Oracle Coherence

System Properties Comparison Firebase Realtime Database vs. Microsoft Azure SQL Data Warehouse vs. Oracle Coherence

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Editorial information provided by DB-Engines
NameFirebase Realtime Database  Xexclude from comparisonMicrosoft Azure SQL Data Warehouse  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.Elastic, large scale data warehouse service leveraging the broad eco-system of SQL ServerOracles in-memory data grid solution
Primary database modelDocument storeRelational DBMSKey-value store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score16.26
Rank#36  Overall
#6  Document stores
Score8.61
Rank#47  Overall
#28  Relational DBMS
Score2.92
Rank#103  Overall
#20  Key-value stores
Websitefirebase.google.com/­products/­realtime-databaseazure.microsoft.com/­services/­sql-data-warehousewww.oracle.com/­middleware/­technologies/­coherence.html
Technical documentationfirebase.google.com/­docs/­databasedocs.microsoft.com/­azure/­sql-data-warehousedocs.oracle.com/­en/­middleware/­standalone/­coherence
DeveloperGoogle infoacquired by Google 2014MicrosoftOracle
Initial release201220162007
Current release12c, September 2016
License infoCommercial or Open Sourcecommercialcommercialcommercial
Cloud-based only infoOnly available as a cloud serviceyesyesno
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageC++Java
Server operating systemshostedhostedAll OS with a Java VM
Data schemeschema-freeyesschema-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.nonono
Secondary indexesyesyesno
SQL infoSupport of SQLnoyesno
APIs and other access methodsAndroid
iOS
JavaScript API
RESTful HTTP API
ADO.NET
JDBC
ODBC
JCache
JPA
RESTful HTTP API
Supported programming languagesJava
JavaScript
Objective-C
C#
Java
PHP
.Net
C++
Java
Server-side scripts infoStored procedureslimited functionality with using 'rules'Transact SQLno
TriggersCallbacks are triggered when data changesnoyes infoLive Events
Partitioning methods infoMethods for storing different data on different nodesSharding, horizontal partitioningSharding
Replication methods infoMethods for redundantly storing data on multiple nodesyesyes, with selectable consistency level
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
Immediate ConsistencyEventual Consistency
Immediate Consistency
Foreign keys infoReferential integritynoyesno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datayesACIDconfigurable
Concurrency infoSupport for concurrent manipulation of datayesyesyes
Durability infoSupport for making data persistentyesyesyes 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 rulesyesauthentification to access the cache via certificates or http basic authentication

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More resources
Firebase Realtime DatabaseMicrosoft Azure SQL Data WarehouseOracle Coherence
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