DBMS > Amazon SimpleDB vs. Atos Standard Common Repository vs. Sadas Engine vs. SwayDB

System Properties Comparison Amazon SimpleDB vs. Atos Standard Common Repository vs. Sadas Engine vs. SwayDB

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Editorial information provided by DB-Engines
Name	Amazon SimpleDB  Xexclude from comparison	Atos Standard Common Repository  Xexclude from comparison	Sadas Engine  Xexclude from comparison	SwayDB  Xexclude from comparison
		This system has been discontinued and will be removed from the DB-Engines ranking.
Description	Hosted simple database service by Amazon, with the data stored in the Amazon Cloud. There is an unrelated product called SimpleDB developed by Edward Sciore	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	An embeddable, non-blocking, type-safe key-value store for single or multiple disks and in-memory storage
Primary database model	Key-value store	Document store Key-value store	Relational DBMS	Key-value store
DB-Engines Ranking measures the popularity of database management systems Trend Chart	Score 1.88 Rank #133   Overall #23   Key-value stores		Score 0.07 Rank #373   Overall #157   Relational DBMS	Score 0.04 Rank #387   Overall #61   Key-value stores
Website	aws.amazon.com/­simpledb	atos.net/en/convergence-creators/portfolio/standard-common-repository	www.sadasengine.com	swaydb.simer.au
Technical documentation	docs.aws.amazon.com/­simpledb		www.sadasengine.com/­en/­sadas-engine-download-free-trial-and-documentation/­#documentation
Developer	Amazon	Atos Convergence Creators	SADAS s.r.l.	Simer Plaha
Initial release	2007	2016	2006	2018
Current release		1703	8.0
License Commercial or Open Source	commercial	commercial	commercial free trial version available	Open Source GNU Affero GPL V3.0
Cloud-based only Only available as a cloud service	yes	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++	Scala
Server operating systems	hosted	Linux	AIX Linux Windows
Data scheme	schema-free	Schema and schema-less with LDAP views	yes	schema-free
Typing predefined data types such as float or date	no	optional	yes	no
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	no
Secondary indexes	yes All columns are indexed automatically	yes	yes	no
SQL Support of SQL	no	no	yes	no
APIs and other access methods	RESTful HTTP API	LDAP	JDBC ODBC Proprietary protocol
Supported programming languages	.Net C C++ Erlang Java PHP Python Ruby Scala	All languages with LDAP bindings	.Net C C# C++ Groovy Java PHP Python	Java Kotlin Scala
Server-side scripts Stored procedures	no	no	no	no
Triggers	no	yes	no	no
Partitioning methods Methods for storing different data on different nodes	none Sharding must be implemented in the application	Sharding cell division	horizontal partitioning	none
Replication methods Methods for redundantly storing data on multiple nodes	yes	yes	none	none
MapReduce Offers an API for user-defined Map/Reduce methods	no		no	no
Consistency concepts Methods to ensure consistency in a distributed system	Eventual Consistency Immediate Consistency can be specified for read operations	Immediate Consistency or Eventual Consistency depending on configuration	Immediate Consistency	Immediate Consistency
Foreign keys Referential integrity	no	no	yes	no
Transaction concepts Support to ensure data integrity after non-atomic manipulations of data	no Concurrent data updates can be detected by the application	Atomic execution of specific operations		Atomic execution of operations
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
User concepts Access control	Access rights for users and roles can be defined via the AWS Identity and Access Management (IAM)	LDAP bind authentication	Access rights for users, groups and roles according to SQL-standard	no
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More resources
	Amazon SimpleDB	Atos Standard Common Repository	Sadas Engine	SwayDB
DB-Engines blog posts	The popularity of cloud-based DBMSs has increased tenfold in four years 7 February 2017, Matthias Gelbmann Amazon - the rising star in the DBMS market 3 August 2015, Matthias Gelbmann show all
Recent citations in the news	A Place for Everything – Amazon SimpleDB 14 December 2007, AWS Blog Amazon DynamoDB Serves Trillions Of Requests Per Month While Counterpart SimpleDB Is No Longer A Listed ... 12 November 2013, TechCrunch Amazon SimpleDB Management in Eclipse 22 July 2009, AWS Blog Good Advice on Keeping Your Database Simple and Fast. 25 March 2009, All Things Distributed Amazon Goes Back to the Future With 'NoSQL' Database 19 January 2012, WIRED provided by Google News

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