DBMS > Atos Standard Common Repository vs. Postgres-XL vs. RDFox vs. Sadas Engine

System Properties Comparison Atos Standard Common Repository vs. Postgres-XL vs. RDFox vs. Sadas Engine

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Editorial information provided by DB-Engines
Name	Atos Standard Common Repository  Xexclude from comparison	Postgres-XL  Xexclude from comparison	RDFox  Xexclude from comparison	Sadas Engine  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	Based on PostgreSQL enhanced with MPP and write-scale-out cluster features	High performance knowledge graph and semantic reasoning engine	SADAS Engine is a columnar DBMS specifically designed for high performance in data warehouse environments
Primary database model	Document store Key-value store	Relational DBMS	Graph DBMS RDF store	Relational DBMS
Secondary database models		Document store Spatial DBMS	Relational DBMS
DB-Engines Ranking measures the popularity of database management systems Trend Chart		Score 0.53 Rank #254   Overall #117   Relational DBMS	Score 0.29 Rank #300   Overall #24   Graph DBMS #13   RDF stores	Score 0.07 Rank #373   Overall #157   Relational DBMS
Website	atos.net/en/convergence-creators/portfolio/standard-common-repository	www.postgres-xl.org	www.oxfordsemantic.tech	www.sadasengine.com
Technical documentation		www.postgres-xl.org/­documentation	docs.oxfordsemantic.tech	www.sadasengine.com/­en/­sadas-engine-download-free-trial-and-documentation/­#documentation
Developer	Atos Convergence Creators		Oxford Semantic Technologies	SADAS s.r.l.
Initial release	2016	2014 since 2012, originally named StormDB	2017	2006
Current release	1703	10 R1, October 2018	6.0, Septermber 2022	8.0
License Commercial or Open Source	commercial	Open Source Mozilla public license	commercial	commercial free trial version available
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++	C++
Server operating systems	Linux	Linux macOS	Linux macOS Windows	AIX Linux Windows
Data scheme	Schema and schema-less with LDAP views	yes	yes RDF schemas	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	yes XML type, but no XML query functionality		no
Secondary indexes	yes	yes		yes
SQL Support of SQL	no	yes distributed, parallel query execution	no	yes
APIs and other access methods	LDAP	ADO.NET JDBC native C library ODBC streaming API for large objects	RESTful HTTP API SPARQL 1.1	JDBC ODBC Proprietary protocol
Supported programming languages	All languages with LDAP bindings	.Net C C++ Delphi Erlang Java JavaScript (Node.js) Perl PHP Python Tcl	C Java	.Net C C# C++ Groovy Java PHP Python
Server-side scripts Stored procedures	no	user defined functions		no
Triggers	yes	yes		no
Partitioning methods Methods for storing different data on different nodes	Sharding cell division	horizontal partitioning		horizontal partitioning
Replication methods Methods for redundantly storing data on multiple nodes	yes		replication via a shared file system	none
MapReduce Offers an API for user-defined Map/Reduce methods		no		no
Consistency concepts Methods to ensure consistency in a distributed system	Immediate Consistency or Eventual Consistency depending on configuration	Immediate Consistency	Immediate Consistency in stand-alone mode, Eventual Consistency in replicated setups	Immediate Consistency
Foreign keys Referential integrity	no	yes		yes
Transaction concepts Support to ensure data integrity after non-atomic manipulations of data	Atomic execution of specific operations	ACID MVCC	ACID
Concurrency Support for concurrent manipulation of data	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	yes	yes managed by 'Learn by Usage'
User concepts Access control	LDAP bind authentication	fine grained access rights according to SQL-standard	Roles, resources, and access types	Access rights for users, groups and roles according to SQL-standard
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More resources
	Atos Standard Common Repository	Postgres-XL	RDFox	Sadas Engine
Recent citations in the news			Use semantic reasoning to infer new facts from your RDF graph by integrating RDFox with Amazon Neptune | Amazon ... 20 February 2023, AWS Blog The intuitions behind Knowledge Graphs and Reasoning | by Peter Crocker 5 May 2020, Towards Data Science Eight interesting open-source graph databases 3 January 2023, INDIAai Financial Crime Discovery using Amazon EKS and Graph Databases | Amazon Web Services 1 February 2022, AWS Blog Top 9 Open Source Graph Databases – AIM 7 November 2022, Analytics India Magazine provided by Google News

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