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

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

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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	Sequoiadb  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	NewSQL database with distributed OLTP and SQL
Primary database model	Document store Key-value store	Relational DBMS	Relational DBMS	Document store Relational DBMS
Secondary database models		Document store Spatial DBMS
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 0.50 Rank #258   Overall #41   Document stores #120   Relational DBMS
Website	atos.net/en/convergence-creators/portfolio/standard-common-repository	www.postgres-xl.org	www.sadasengine.com	www.sequoiadb.com
Technical documentation		www.postgres-xl.org/­documentation	www.sadasengine.com/­en/­sadas-engine-download-free-trial-and-documentation/­#documentation	www.sequoiadb.com/­en/­index.php?m=Files&a=index
Developer	Atos Convergence Creators		SADAS s.r.l.	Sequoiadb Ltd.
Initial release	2016	2014 since 2012, originally named StormDB	2006	2013
Current release	1703	10 R1, October 2018	8.0
License Commercial or Open Source	commercial	Open Source Mozilla public license	commercial free trial version available	Open Source Server: AGPL; Client: Apache V2
Cloud-based only Only available as a cloud service	no	no	no	no
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Implementation language	Java	C	C++	C++
Server operating systems	Linux	Linux macOS	AIX Linux Windows	Linux
Data scheme	Schema and schema-less with LDAP views	yes	yes	schema-free
Typing predefined data types such as float or date	optional	yes	yes	yes oid, date, timestamp, binary, regex
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	yes
SQL Support of SQL	no	yes distributed, parallel query execution	yes	SQL-like query language
APIs and other access methods	LDAP	ADO.NET JDBC native C library ODBC streaming API for large objects	JDBC ODBC Proprietary protocol	proprietary protocol using JSON
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	.Net C++ Java PHP Python
Server-side scripts Stored procedures	no	user defined functions	no	JavaScript
Triggers	yes	yes	no	no
Partitioning methods Methods for storing different data on different nodes	Sharding cell division	horizontal partitioning	horizontal partitioning	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	Immediate Consistency	Eventual 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 MVCC		Document is locked during a transaction
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'	no
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	simple password-based access control
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