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

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

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Editorial information provided by DB-Engines
Name	Atos Standard Common Repository  Xexclude from comparison	Postgres-XL  Xexclude from comparison	Sadas Engine  Xexclude from comparison	TerminusDB former name was DataChemist  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	SADAS Engine is a columnar DBMS specifically designed for high performance in data warehouse environments	Scalable Graph Database platform making enterprise data available by exploiting inferred entities and relationships
Primary database model	Document store Key-value store	Relational DBMS	Relational DBMS	Graph DBMS
Secondary database models		Document store Spatial DBMS		Document store RDF store
DB-Engines Ranking measures the popularity of database management systems Trend Chart		Score 0.53 Rank #254   Overall #117   Relational DBMS	Score 0.07 Rank #373   Overall #157   Relational DBMS	Score 0.23 Rank #316   Overall #27   Graph DBMS
Website	atos.net/en/convergence-creators/portfolio/standard-common-repository	www.postgres-xl.org	www.sadasengine.com	terminusdb.com
Technical documentation		www.postgres-xl.org/­documentation	www.sadasengine.com/­en/­sadas-engine-download-free-trial-and-documentation/­#documentation	terminusdb.github.io/­terminusdb/­#
Developer	Atos Convergence Creators		SADAS s.r.l.	DataChemist Ltd.
Initial release	2016	2014 since 2012, originally named StormDB	2006	2018
Current release	1703	10 R1, October 2018	8.0	11.0.0, January 2023
License Commercial or Open Source	commercial	Open Source Mozilla public license	commercial free trial version available	Open Source GPL V3
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++	Prolog, Rust
Server operating systems	Linux	Linux macOS	AIX Linux Windows	Linux
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	yes XML type, but no XML query functionality	no	no
Secondary indexes	yes	yes	yes
SQL Support of SQL	no	yes distributed, parallel query execution	yes	SQL-like query language (WOQL)
APIs and other access methods	LDAP	ADO.NET JDBC native C library ODBC streaming API for large objects	JDBC ODBC Proprietary protocol	OWL RESTful HTTP API WOQL (Web Object Query Language)
Supported programming languages	All languages with LDAP bindings	.Net C C++ Delphi Erlang Java JavaScript (Node.js) Perl PHP Python Tcl	.Net C C# C++ Groovy Java PHP Python	JavaScript Python
Server-side scripts Stored procedures	no	user defined functions	no	yes
Triggers	yes	yes	no	yes
Partitioning methods Methods for storing different data on different nodes	Sharding cell division	horizontal partitioning	horizontal partitioning	Graph Partitioning
Replication methods Methods for redundantly storing data on multiple nodes	yes		none	Journaling Streams
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
Foreign keys Referential integrity	no	yes	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	yes
Durability Support for making data persistent	yes	yes	yes	yes in-memory journaling
In-memory capabilities Is there an option to define some or all structures to be held in-memory only.	yes	no	yes managed by 'Learn by Usage'
User concepts Access control	LDAP bind authentication	fine grained access rights according to SQL-standard	Access rights for users, groups and roles according to SQL-standard	Role-based access control
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More resources
	Atos Standard Common Repository	Postgres-XL	Sadas Engine	TerminusDB former name was DataChemist
Recent citations in the news				How TerminusDB is commercializing its open source graph database 16 March 2021, VentureBeat TerminusDB Takes on Data Collaboration with a git-Like Approach 1 December 2020, The New Stack Trinity College spinout TerminusDB secures €3.6m in investment 15 March 2021, The Irish Times [MCR2030-CAMS-ARISE-UNDRR Webinar] Preventing cascading failures of critical assets: Using the Open-Source ... 12 April 2022, United Nations Office for Disaster Risk Reduction Irish start-ups received €28m from Enterprise Ireland in 2021 7 April 2022, SiliconRepublic.com provided by Google News

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