DBMS > Atos Standard Common Repository vs. RDF4J vs. UniData,UniVerse vs. VelocityDB

System Properties Comparison Atos Standard Common Repository vs. RDF4J vs. UniData,UniVerse vs. VelocityDB

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Editorial information provided by DB-Engines
Name	Atos Standard Common Repository  Xexclude from comparison	RDF4J formerly known as Sesame  Xexclude from comparison	UniData,UniVerse  Xexclude from comparison	VelocityDB  Xexclude from comparison
	This system has been discontinued and will be removed from the DB-Engines ranking.
Description	Highly scalable database system, designed for managing session and subscriber data in modern mobile communication networks	RDF4J is a Java framework for processing RDF data, supporting both memory-based and a disk-based storage.	MultiValue database and application server with SQL mapping layer and meta database capabilities	A .NET Object Database that can be embedded/distributed and extended to a graph data model (VelocityGraph)
Primary database model	Document store Key-value store	RDF store	Multivalue DBMS	Graph DBMS Object oriented DBMS
DB-Engines Ranking measures the popularity of database management systems Trend Chart		Score 0.74 Rank #222   Overall #9   RDF stores	Score 2.85 Rank #98   Overall #1   Multivalue DBMS	Score 0.11 Rank #354   Overall #37   Graph DBMS #16   Object oriented DBMS
Website	atos.net/en/convergence-creators/portfolio/standard-common-repository	rdf4j.org	www.rocketsoftware.com/­products/­rocket-multivalue-application-development-platform/­rocket-unidata	velocitydb.com
Technical documentation		rdf4j.org/­documentation	docs.rocketsoftware.com/­bundle?cluster=true&labelkey=unidata&labelkey=prod_unidata	velocitydb.com/­UserGuide
Developer	Atos Convergence Creators	Since 2016 officially forked into an Eclipse project, former developer was Aduna Software.	Rocket Software	VelocityDB Inc
Initial release	2016	2004	1985	2011
Current release	1703			7.x
License Commercial or Open Source	commercial	Open Source Eclipse Distribution License (EDL), v1.0.	commercial	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	Java	Java	C	C#
Server operating systems	Linux	Linux OS X Unix Windows	AIX HP-UX Linux Solaris Windows	Any that supports .NET
Data scheme	Schema and schema-less with LDAP views	yes RDF Schemas	schema-free	yes
Typing predefined data types such as float or date	optional	yes	optional	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.	yes			no
Secondary indexes	yes	yes	yes	yes
SQL Support of SQL	no	no	yes	no
APIs and other access methods	LDAP	Java API RIO RDF Input/Output Sail API SeRQL Sesame RDF Query Language Sesame REST HTTP Protocol SPARQL	Java API JPA JDBC ODBC OLE DB Proprietary protocol RESTful HTTP API SOAP-based API	.Net
Supported programming languages	All languages with LDAP bindings	Java PHP Python	.Net Basic U2 Basic C Java	.Net
Server-side scripts Stored procedures	no	yes	yes	no
Triggers	yes	yes	yes U2 Basic	Callbacks are triggered when data changes
Partitioning methods Methods for storing different data on different nodes	Sharding cell division	none	none	Sharding
Replication methods Methods for redundantly storing data on multiple nodes	yes	none	Source-replica replication
MapReduce Offers an API for user-defined Map/Reduce methods		no	no	no
Consistency concepts Methods to ensure consistency in a distributed system	Immediate Consistency or Eventual Consistency depending on configuration			Immediate Consistency
Foreign keys Referential integrity	no		no	no
Transaction concepts Support to ensure data integrity after non-atomic manipulations of data	Atomic execution of specific operations	ACID Isolation support depends on the API used	ACID configurable	ACID
Concurrency Support for concurrent manipulation of data	yes	yes	yes	yes
Durability Support for making data persistent	yes	yes in-memory storage is supported as well	yes	yes
In-memory capabilities Is there an option to define some or all structures to be held in-memory only.	yes			yes
User concepts Access control	LDAP bind authentication	no	Access rights according to SQL-standard and operating system based	Based on Windows Authentication
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More resources
	Atos Standard Common Repository	RDF4J formerly known as Sesame	UniData,UniVerse	VelocityDB
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