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DBMS > Firebase Realtime Database vs. Prometheus vs. Quasardb vs. Realm vs. SAP Advantage Database Server

System Properties Comparison Firebase Realtime Database vs. Prometheus vs. Quasardb vs. Realm vs. SAP Advantage Database Server

Editorial information provided by DB-Engines
NameFirebase Realtime Database  Xexclude from comparisonPrometheus  Xexclude from comparisonQuasardb  Xexclude from comparisonRealm  Xexclude from comparisonSAP Advantage Database Server infoformer name: Sybase ADS  Xexclude from comparison
SAP Advantage Database Server seems to be discontinued. Therefore it is excluded from the DB-Engines Ranking.
DescriptionCloud-hosted realtime document store. iOS, Android, and JavaScript clients share one Realtime Database instance and automatically receive updates with the newest data.Open-source Time Series DBMS and monitoring systemDistributed, high-performance timeseries databaseA DBMS built for use on mobile devices that’s a fast, easy to use alternative to SQLite and Core DataLow-cost RDBMS with access to ISAM and FoxPro data structures
Primary database modelDocument storeTime Series DBMSTime Series DBMSDocument storeRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score14.29
Rank#39  Overall
#6  Document stores
Score8.42
Rank#47  Overall
#2  Time Series DBMS
Score0.14
Rank#332  Overall
#29  Time Series DBMS
Score7.60
Rank#52  Overall
#9  Document stores
Websitefirebase.google.com/­products/­realtime-databaseprometheus.ioquasar.airealm.iowww.sap.com/products/advantage-database-server.html
Technical documentationfirebase.google.com/­docs/­databaseprometheus.io/­docsdoc.quasar.ai/­masterrealm.io/­docs
DeveloperGoogle infoacquired by Google 2014quasardbRealm, acquired by MongoDB in May 2019Sybase, SAP
Initial release20122015200920141993
Current release3.14.1, January 2024
License infoCommercial or Open SourcecommercialOpen Source infoApache 2.0commercial infoFree community edition, Non-profit organizations and non-commercial usage are eligible for free licensesOpen Sourcecommercial
Cloud-based only infoOnly available as a cloud serviceyesnononono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageGoC++
Server operating systemshostedLinux
Windows
BSD
Linux
OS X
Windows
Android
Backend: server-less
iOS
Windows
Linux
Windows
Data schemeschema-freeyesschema-freeyesyes
Typing infopredefined data types such as float or dateyesNumeric data onlyyes infointeger and binaryyesyes
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 infoImport of XML data possiblenonono
Secondary indexesyesnoyes infowith tagsyesyes
SQL infoSupport of SQLnonoSQL-like query languagenoyes
APIs and other access methodsAndroid
iOS
JavaScript API
RESTful HTTP API
RESTful HTTP/JSON APIHTTP API.NET Client API
ADO.NET
JDBC
ODBC
OLE DB
Supported programming languagesJava
JavaScript
Objective-C
.Net
C++
Go
Haskell
Java
JavaScript (Node.js)
Python
Ruby
.Net
C
C#
C++
Go
Java
JavaScript (Node.js)
PHP
Python
R
.Net
Java infowith Android only
Objective-C
React Native
Swift
Delphi
Perl
PHP
Server-side scripts infoStored procedureslimited functionality with using 'rules'nonono inforuns within the applications so server-side scripts are unnecessaryyes
TriggersCallbacks are triggered when data changesnonoyes infoChange Listenersyes
Partitioning methods infoMethods for storing different data on different nodesShardingSharding infoconsistent hashingnonenone
Replication methods infoMethods for redundantly storing data on multiple nodesyes infoby FederationSource-replica replication with selectable replication factornoneMulti-source replication infoCONFLICT Trigger to resolve replication conflicts
Source-replica replication
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonowith Hadoop integrationnono
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual Consistency infoif the client is offline
Immediate Consistency infoif the client is online
noneImmediate ConsistencyImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integritynonononoyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datayesnoACIDACIDACID
Concurrency infoSupport for concurrent manipulation of datayesyesyesyes
Durability infoSupport for making data persistentyesyesyes infoby using LevelDByesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.noyes infoTransient modeyes infoIn-Memory realmno infocaching of (temporary) tables can be configured
User concepts infoAccess controlyes, based on authentication and database rulesnoCryptographically strong user authentication and audit trailyesfine grained access rights according to SQL-standard

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More resources
Firebase Realtime DatabasePrometheusQuasardbRealmSAP Advantage Database Server infoformer name: Sybase ADS
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