DBMS > Atos Standard Common Repository vs. Sadas Engine vs. Teradata vs. VelocityDB

System Properties Comparison Atos Standard Common Repository vs. Sadas Engine vs. Teradata vs. VelocityDB

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Editorial information provided by DB-Engines
Name	Atos Standard Common Repository  Xexclude from comparison	Sadas Engine  Xexclude from comparison	Teradata  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	SADAS Engine is a columnar DBMS specifically designed for high performance in data warehouse environments	A hybrid cloud data analytics software platform (Teradata Vantage)	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	Relational DBMS	Relational DBMS	Graph DBMS Object oriented DBMS
Secondary database models			Document store Graph DBMS Spatial DBMS Time Series DBMS
DB-Engines Ranking measures the popularity of database management systems Trend Chart		Score 0.07 Rank #373   Overall #157   Relational DBMS	Score 44.87 Rank #22   Overall #15   Relational DBMS	Score 0.11 Rank #354   Overall #37   Graph DBMS #15   Object oriented DBMS
Website	atos.net/en/convergence-creators/portfolio/standard-common-repository	www.sadasengine.com	www.teradata.com	velocitydb.com
Technical documentation		www.sadasengine.com/­en/­sadas-engine-download-free-trial-and-documentation/­#documentation	docs.teradata.com	velocitydb.com/­UserGuide
Developer	Atos Convergence Creators	SADAS s.r.l.	Teradata	VelocityDB Inc
Initial release	2016	2006	1984	2011
Current release	1703	8.0	Teradata Vantage 1.0 MU2, January 2019	7.x
License Commercial or Open Source	commercial	commercial free trial version available	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	C++		C#
Server operating systems	Linux	AIX Linux Windows	hosted Linux	Any that supports .NET
Data scheme	Schema and schema-less with LDAP views	yes	yes	yes
Typing predefined data types such as float or date	optional	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.	yes	no	yes	no
Secondary indexes	yes	yes	yes Join-index to prejoin tables, aggregate index, sparse index, hash index	yes
SQL Support of SQL	no	yes	yes SQL 2016 + extensions	no
APIs and other access methods	LDAP	JDBC ODBC Proprietary protocol	.NET Client API HTTP REST JDBC JMS Adapter ODBC OLE DB	.Net
Supported programming languages	All languages with LDAP bindings	.Net C C# C++ Groovy Java PHP Python	C C++ Cobol Java (JDBC-ODBC) Perl PL/1 Python R Ruby	.Net
Server-side scripts Stored procedures	no	no	yes UDFs, stored procedures, table functions in parallel	no
Triggers	yes	no	yes	Callbacks are triggered when data changes
Partitioning methods Methods for storing different data on different nodes	Sharding cell division	horizontal partitioning	Sharding Hashing	Sharding
Replication methods Methods for redundantly storing data on multiple nodes	yes	none	Multi-source replication 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	Immediate Consistency	Immediate Consistency
Foreign keys Referential integrity	no	yes	yes	no
Transaction concepts Support to ensure data integrity after non-atomic manipulations of data	Atomic execution of specific operations		ACID	ACID
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.	yes	yes managed by 'Learn by Usage'	yes	yes
User concepts Access control	LDAP bind authentication	Access rights for users, groups and roles according to SQL-standard	fine grained access rights according to SQL-standard	Based on Windows Authentication
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More resources
	Atos Standard Common Repository	Sadas Engine	Teradata	VelocityDB
DB-Engines blog posts			Teradata is the most popular data warehouse DBMS 2 April 2013, Paul Andlinger show all
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