DBMS > FatDB vs. SAP Advantage Database Server vs. Stardog vs. UniData,UniVerse

System Properties Comparison FatDB vs. SAP Advantage Database Server vs. Stardog vs. UniData,UniVerse

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Editorial information provided by DB-Engines
Name	FatDB  Xexclude from comparison	SAP Advantage Database Server former name: Sybase ADS  Xexclude from comparison	Stardog  Xexclude from comparison	UniData,UniVerse  Xexclude from comparison
	FatDB/FatCloud has ceased operations as a company with February 2014. FatDB is discontinued and excluded from the ranking.	SAP Advantage Database Server seems to be discontinued. Therefore it is excluded from the DB-Engines Ranking.
Description	A .NET NoSQL DBMS that can integrate with and extend SQL Server.	Low-cost RDBMS with access to ISAM and FoxPro data structures	Enterprise Knowledge Graph platform and graph DBMS with high availability, high performance reasoning, and virtualization	MultiValue database and application server with SQL mapping layer and meta database capabilities
Primary database model	Document store Key-value store	Relational DBMS	Graph DBMS RDF store	Multivalue DBMS
DB-Engines Ranking measures the popularity of database management systems Trend Chart			Score 2.07 Rank #122   Overall #11   Graph DBMS #6   RDF stores	Score 2.85 Rank #98   Overall #1   Multivalue DBMS
Website		www.sap.com/products/advantage-database-server.html	www.stardog.com	www.rocketsoftware.com/­products/­rocket-multivalue-application-development-platform/­rocket-unidata
Technical documentation			docs.stardog.com	docs.rocketsoftware.com/­bundle?cluster=true&labelkey=unidata&labelkey=prod_unidata
Developer	FatCloud	Sybase, SAP	Stardog-Union	Rocket Software
Initial release	2012	1993	2010	1985
Current release			7.3.0, May 2020
License Commercial or Open Source	commercial	commercial	commercial 60-day fully-featured trial license; 1-year fully-featured non-commercial use license for academics/students	commercial
Cloud-based only Only available as a cloud service	no	no	no	no
DBaaS offerings (sponsored links) Database as a Service Providers of DBaaS offerings, please contact us to be listed.
Implementation language	C#		Java	C
Server operating systems	Windows	Linux Windows	Linux macOS Windows	AIX HP-UX Linux Solaris Windows
Data scheme	schema-free	yes	schema-free and OWL/RDFS-schema support	schema-free
Typing predefined data types such as float or date	yes	yes	yes	optional
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 Import/export of XML data possible
Secondary indexes	yes	yes	yes supports real-time indexing in full-text and geospatial	yes
SQL Support of SQL	no Via inetgration in SQL Server	yes	Yes, compatible with all major SQL variants through dedicated BI/SQL Server	yes
APIs and other access methods	.NET Client API LINQ RESTful HTTP API RPC Windows WCF Bindings	.NET Client API ADO.NET JDBC ODBC OLE DB	GraphQL query language HTTP API Jena RDF API OWL RDF4J API Sesame REST HTTP Protocol SNARL SPARQL Spring Data Stardog Studio TinkerPop 3	Java API JPA JDBC ODBC OLE DB Proprietary protocol RESTful HTTP API SOAP-based API
Supported programming languages	C#	Delphi Perl PHP	.Net Clojure Groovy Java JavaScript Python Ruby	.Net Basic U2 Basic C Java
Server-side scripts Stored procedures	yes via applications	yes	user defined functions and aggregates, HTTP Server extensions in Java	yes
Triggers	yes via applications	yes	yes via event handlers	yes U2 Basic
Partitioning methods Methods for storing different data on different nodes	Sharding	none	none	none
Replication methods Methods for redundantly storing data on multiple nodes	selectable replication factor	Multi-source replication CONFLICT Trigger to resolve replication conflicts Source-replica replication	Multi-source replication in HA-Cluster	Source-replica replication
MapReduce Offers an API for user-defined Map/Reduce methods	yes	no	no	no
Consistency concepts Methods to ensure consistency in a distributed system	Eventual Consistency Immediate Consistency	Immediate Consistency	Immediate Consistency in HA-Cluster
Foreign keys Referential integrity	no	yes	yes relationships in graphs	no
Transaction concepts Support to ensure data integrity after non-atomic manipulations of data	no	ACID	ACID	ACID configurable
Concurrency Support for concurrent manipulation of data	yes	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.		no caching of (temporary) tables can be configured	yes
User concepts Access control	no Can implement custom security layer via applications	fine grained access rights according to SQL-standard	Access rights for users and roles	Access rights according to SQL-standard and operating system based
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More resources
	FatDB	SAP Advantage Database Server former name: Sybase ADS	Stardog	UniData,UniVerse
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