DBMS > BigObject vs. Firebase Realtime Database vs. OpenQM vs. SAP Advantage Database Server

System Properties Comparison BigObject vs. Firebase Realtime Database vs. OpenQM vs. SAP Advantage Database Server

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Editorial information provided by DB-Engines
Name	BigObject  Xexclude from comparison	Firebase Realtime Database  Xexclude from comparison	OpenQM also called QM  Xexclude from comparison	SAP Advantage Database Server former name: Sybase ADS  Xexclude from comparison
				SAP Advantage Database Server seems to be discontinued. Therefore it is excluded from the DB-Engines Ranking.
Description	Analytic DBMS for real-time computations and queries	Cloud-hosted realtime document store. iOS, Android, and JavaScript clients share one Realtime Database instance and automatically receive updates with the newest data.	QpenQM is a high-performance, self-tuning, multi-value DBMS	Low-cost RDBMS with access to ISAM and FoxPro data structures
Primary database model	Relational DBMS a hierachical model (tree) can be imposed	Document store	Multivalue DBMS	Relational DBMS
DB-Engines Ranking measures the popularity of database management systems Trend Chart	Score 0.19 Rank #329   Overall #146   Relational DBMS	Score 13.64 Rank #39   Overall #6   Document stores	Score 0.34 Rank #284   Overall #10   Multivalue DBMS
Website	bigobject.io	firebase.google.com/­products/­realtime-database	www.rocketsoftware.com/­products/­rocket-multivalue-application-development-platform/­rocket-open-qm	www.sap.com/products/advantage-database-server.html
Technical documentation	docs.bigobject.io	firebase.google.com/­docs/­database
Developer	BigObject, Inc.	Google acquired by Google 2014	Rocket Software, originally Martin Phillips	Sybase, SAP
Initial release	2015	2012	1993	1993
Current release			3.4-12
License Commercial or Open Source	commercial free community edition available	commercial	Open Source GPLv2, extended commercial license available	commercial
Cloud-based only Only available as a cloud service	no	yes	no	no
DBaaS offerings (sponsored links) Database as a Service Providers of DBaaS offerings, please contact us to be listed.
Server operating systems	Linux distributed as a docker-image OS X distributed as a docker-image (boot2docker) Windows distributed as a docker-image (boot2docker)	hosted	AIX FreeBSD Linux macOS Raspberry Pi Solaris Windows	Linux Windows
Data scheme	yes	schema-free	yes with some exceptions	yes
Typing predefined data types such as float or date	yes	yes		yes
XML support Some form of processing data in XML format, e.g. support for XML data structures, and/or support for XPath, XQuery or XSLT.	no	no	yes	no
Secondary indexes	yes	yes	yes	yes
SQL Support of SQL	SQL-like DML and DDL statements	no	no	yes
APIs and other access methods	fluentd ODBC RESTful HTTP API	Android iOS JavaScript API RESTful HTTP API		.NET Client API ADO.NET JDBC ODBC OLE DB
Supported programming languages		Java JavaScript Objective-C	.Net Basic C Java Objective C PHP Python	Delphi Perl PHP
Server-side scripts Stored procedures	Lua	limited functionality with using 'rules'	yes	yes
Triggers	no	Callbacks are triggered when data changes	yes	yes
Partitioning methods Methods for storing different data on different nodes	none		yes	none
Replication methods Methods for redundantly storing data on multiple nodes	none		yes	Multi-source replication CONFLICT Trigger to resolve replication conflicts Source-replica replication
MapReduce Offers an API for user-defined Map/Reduce methods	no	no	no	no
Consistency concepts Methods to ensure consistency in a distributed system	none	Eventual Consistency if the client is offline Immediate Consistency if the client is online	Immediate Consistency	Immediate Consistency
Foreign keys Referential integrity	yes automatically between fact table and dimension tables	no	no	yes
Transaction concepts Support to ensure data integrity after non-atomic manipulations of data	no	yes	ACID	ACID
Concurrency Support for concurrent manipulation of data	yes Read/write lock on objects (tables, trees)	yes	yes	yes
Durability Support for making data persistent	yes	yes	yes	yes
In-memory capabilities Is there an option to define some or all structures to be held in-memory only.	yes			no caching of (temporary) tables can be configured
User concepts Access control	no	yes, based on authentication and database rules	Access rights can be defined down to the item level	fine grained access rights according to SQL-standard
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More resources
	BigObject	Firebase Realtime Database	OpenQM also called QM	SAP Advantage Database Server former name: Sybase ADS
DB-Engines blog posts		Cloud-based DBMS's popularity grows at high rates 12 December 2019, Paul Andlinger show all
Recent citations in the news		Realtime vs Cloud Firestore: Which Firebase Database to go? 8 March 2024, Appinventiv Google launches Firebase Genkit, a new open source framework for building AI-powered apps 14 May 2024, TechCrunch Atos cybersecurity blog: Misconfigured Firebase: A real-time cyber threat 18 January 2024, Atos Don't be like these 900+ websites and expose millions of passwords via Firebase 18 March 2024, The Register Google Firebase may have exposed 125M records from misconfigurations 19 March 2024, SC Media provided by Google News		SAP Announces Q3 2023 Results: Asia Pacific and Japan View 19 October 2023, SAP News provided by Google News

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