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DBMS > Firebase Realtime Database vs. FoundationDB vs. H2 vs. Oracle Coherence vs. SpatiaLite

System Properties Comparison Firebase Realtime Database vs. FoundationDB vs. H2 vs. Oracle Coherence vs. SpatiaLite

Editorial information provided by DB-Engines
NameFirebase Realtime Database  Xexclude from comparisonFoundationDB  Xexclude from comparisonH2  Xexclude from comparisonOracle Coherence  Xexclude from comparisonSpatiaLite  Xexclude from comparison
Created as commercial project in 2013, FoundationDB has been acquired by Apple in March 2015 and was withdrawn from the market. As a consequence, the product was removed from the DB-Engines ranking. In April 2018, Apple open-sourced FoundationDB and it therefore reappears in the ranking.
DescriptionCloud-hosted realtime document store. iOS, Android, and JavaScript clients share one Realtime Database instance and automatically receive updates with the newest data.Ordered key-value store. Core features are complimented by layers.Full-featured RDBMS with a small footprint, either embedded into a Java application or used as a database server.Oracles in-memory data grid solutionSpatial extension of SQLite
Primary database modelDocument storeDocument store infosupported via specific layer
Key-value store
Relational DBMS infosupported via specific SQL-layer
Relational DBMSKey-value storeSpatial DBMS
Secondary database modelsSpatial DBMSRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score13.64
Rank#39  Overall
#6  Document stores
Score1.06
Rank#185  Overall
#31  Document stores
#28  Key-value stores
#85  Relational DBMS
Score8.33
Rank#46  Overall
#30  Relational DBMS
Score1.97
Rank#129  Overall
#22  Key-value stores
Score1.63
Rank#146  Overall
#3  Spatial DBMS
Websitefirebase.google.com/­products/­realtime-databasegithub.com/­apple/­foundationdbwww.h2database.comwww.oracle.com/­java/­coherencewww.gaia-gis.it/­fossil/­libspatialite/­index
Technical documentationfirebase.google.com/­docs/­databaseapple.github.io/­foundationdbwww.h2database.com/­html/­main.htmldocs.oracle.com/­en/­middleware/­standalone/­coherencewww.gaia-gis.it/­gaia-sins/­spatialite_topics.html
DeveloperGoogle infoacquired by Google 2014FoundationDBThomas MuellerOracleAlessandro Furieri
Initial release20122013200520072008
Current release6.2.28, November 20202.2.220, July 202314.1, August 20235.0.0, August 2020
License infoCommercial or Open SourcecommercialOpen Source infoApache 2.0Open Source infodual-licence (Mozilla public license, Eclipse public license)commercialOpen Source infoMPL 1.1, GPL v2.0 or LGPL v2.1
Cloud-based only infoOnly available as a cloud serviceyesnononono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageC++JavaJavaC++
Server operating systemshostedLinux
OS X
Windows
All OS with a Java VMAll OS with a Java VMserver-less
Data schemeschema-freeschema-free infosome layers support schemasyesschema-freeyes
Typing infopredefined data types such as float or dateyesno infosome layers support typingyesyesyes
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.nononono
Secondary indexesyesnoyesnoyes
SQL infoSupport of SQLnosupported in specific SQL layer onlyyesnoyes
APIs and other access methodsAndroid
iOS
JavaScript API
RESTful HTTP API
JDBC
ODBC
JCache
JPA
RESTful HTTP API
Supported programming languagesJava
JavaScript
Objective-C
.Net
C
C++
Go
Java
JavaScript infoNode.js
PHP
Python
Ruby
Swift
Java.Net
C++
Java
Server-side scripts infoStored procedureslimited functionality with using 'rules'in SQL-layer onlyJava Stored Procedures and User-Defined Functionsnono
TriggersCallbacks are triggered when data changesnoyesyes infoLive Eventsyes
Partitioning methods infoMethods for storing different data on different nodesShardingnoneShardingnone
Replication methods infoMethods for redundantly storing data on multiple nodesyesWith clustering: 2 database servers on different computers operate on identical copies of a databaseyes, with selectable consistency levelnone
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonononono
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual Consistency infoif the client is offline
Immediate Consistency infoif the client is online
Linearizable consistencyImmediate ConsistencyEventual Consistency
Immediate Consistency
Foreign keys infoReferential integritynoin SQL-layer onlyyesnoyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datayesACIDACIDconfigurableACID
Concurrency infoSupport for concurrent manipulation of datayesyesyes, multi-version concurrency control (MVCC)yesyes
Durability infoSupport for making data persistentyesyesyesyes infooptionallyyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesyesyes
User concepts infoAccess controlyes, based on authentication and database rulesnofine grained access rights according to SQL-standardauthentification to access the cache via certificates or http basic authenticationno

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More resources
Firebase Realtime DatabaseFoundationDBH2Oracle CoherenceSpatiaLite
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