DBMS > Atos Standard Common Repository vs. Microsoft Azure SQL Database vs. Postgres-XL vs. Sadas Engine

System Properties Comparison Atos Standard Common Repository vs. Microsoft Azure SQL Database vs. Postgres-XL vs. Sadas Engine

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Editorial information provided by DB-Engines
Name	Atos Standard Common Repository  Xexclude from comparison	Microsoft Azure SQL Database formerly SQL Azure  Xexclude from comparison	Postgres-XL  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	Database as a Service offering with high compatibility to Microsoft SQL Server	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
Primary database model	Document store Key-value store	Relational DBMS	Relational DBMS	Relational DBMS
Secondary database models		Document store Graph DBMS Spatial DBMS	Document store Spatial DBMS
DB-Engines Ranking measures the popularity of database management systems Trend Chart		Score 76.78 Rank #16   Overall #11   Relational DBMS	Score 0.53 Rank #254   Overall #117   Relational DBMS	Score 0.07 Rank #373   Overall #157   Relational DBMS
Website	atos.net/en/convergence-creators/portfolio/standard-common-repository	azure.microsoft.com/­en-us/­products/­azure-sql/­database	www.postgres-xl.org	www.sadasengine.com
Technical documentation		docs.microsoft.com/­en-us/­azure/­azure-sql	www.postgres-xl.org/­documentation	www.sadasengine.com/­en/­sadas-engine-download-free-trial-and-documentation/­#documentation
Developer	Atos Convergence Creators	Microsoft		SADAS s.r.l.
Initial release	2016	2010	2014 since 2012, originally named StormDB	2006
Current release	1703	V12	10 R1, October 2018	8.0
License Commercial or Open Source	commercial	commercial	Open Source Mozilla public license	commercial free trial version available
Cloud-based only Only available as a cloud service	no	yes	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	hosted	Linux macOS	AIX Linux Windows
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	yes XML type, but no XML query functionality	no
Secondary indexes	yes	yes	yes	yes
SQL Support of SQL	no	yes	yes distributed, parallel query execution	yes
APIs and other access methods	LDAP	ADO.NET JDBC ODBC	ADO.NET JDBC native C library ODBC streaming API for large objects	JDBC ODBC Proprietary protocol
Supported programming languages	All languages with LDAP bindings	.Net C# Java JavaScript (Node.js) PHP Python Ruby	.Net C C++ Delphi Erlang Java JavaScript (Node.js) Perl PHP Python Tcl	.Net C C# C++ Groovy Java PHP Python
Server-side scripts Stored procedures	no	Transact SQL	user defined functions	no
Triggers	yes	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	yes, with always 3 replicas available		none
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	yes
Transaction concepts Support to ensure data integrity after non-atomic manipulations of data	Atomic execution of specific operations	ACID	ACID MVCC
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		no	yes managed by 'Learn by Usage'
User concepts Access control	LDAP bind authentication	fine grained access rights according to SQL-standard	fine grained access rights according to SQL-standard	Access rights for users, groups and roles according to SQL-standard
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More resources
	Atos Standard Common Repository	Microsoft Azure SQL Database formerly SQL Azure	Postgres-XL	Sadas Engine
DB-Engines blog posts		PostgreSQL is the DBMS of the Year 2020 4 January 2021, Paul Andlinger, Matthias Gelbmann Cloud-based DBMS's popularity grows at high rates 12 December 2019, Paul Andlinger The popularity of cloud-based DBMSs has increased tenfold in four years 7 February 2017, Matthias Gelbmann show all
Recent citations in the news		Copilot in Azure SQL Database in Private Preview 27 March 2024, InfoQ.com Microsoft unveils Copilot for Azure SQL Database 27 March 2024, InfoWorld Azure SQL Database migration to OCI - resources estimation and migration approach 11 January 2024, blogs.oracle.com Expand the limits of innovation with Azure data 21 March 2024, microsoft.com Why migrate Windows Server and SQL Server to Azure: ROI, innovation, and free offers 25 April 2024, microsoft.com provided by Google News

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