DBMS > Amazon SimpleDB vs. FatDB vs. JaguarDB

System Properties Comparison Amazon SimpleDB vs. FatDB vs. JaguarDB

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Editorial information provided by DB-Engines
Name	Amazon SimpleDB  Xexclude from comparison	FatDB  Xexclude from comparison	JaguarDB  Xexclude from comparison
		FatDB/FatCloud has ceased operations as a company with February 2014. FatDB is discontinued and excluded from the 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	A .NET NoSQL DBMS that can integrate with and extend SQL Server.	Performant, highly scalable DBMS for AI and IoT applications
Primary database model	Key-value store	Document store Key-value store	Key-value store
DB-Engines Ranking measures the popularity of database management systems Trend Chart	Score 2.10 Rank #122   Overall #24   Key-value stores		Score 0.00 Rank #363   Overall #57   Key-value stores
Website	aws.amazon.com/­simpledb		www.datajaguar.com
Technical documentation	docs.aws.amazon.com/­simpledb		www.datajaguar.com/­support.php
Developer	Amazon	FatCloud	DataJaguar, Inc.
Initial release	2007	2012	2015
Current release			2.9.4 September 2018
License Commercial or Open Source	commercial	commercial	Open Source GPL V3.0
Cloud-based only Only available as a cloud service	yes	no	no
DBaaS offerings (sponsored links) Database as a Service Providers of DBaaS offerings, please contact us to be listed.
Implementation language		C#	C++ the server part. Clients available in other languages
Server operating systems	hosted	Windows	Linux
Data scheme	schema-free	schema-free	yes
Typing predefined data types such as float or date	no	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.			no
Secondary indexes	yes All columns are indexed automatically	yes	yes
SQL Support of SQL	no	no Via inetgration in SQL Server	A subset of ANSI SQL is implemented but no views, foreign keys, triggers
APIs and other access methods	RESTful HTTP API	.NET Client API LINQ RESTful HTTP API RPC Windows WCF Bindings	JDBC ODBC
Supported programming languages	.Net C C++ Erlang Java PHP Python Ruby Scala	C#	C C++ Go Java JavaScript (Node.js) PHP Python Ruby Scala
Server-side scripts Stored procedures	no	yes via applications	no
Triggers	no	yes via applications	no
Partitioning methods Methods for storing different data on different nodes	none Sharding must be implemented in the application	Sharding	Sharding
Replication methods Methods for redundantly storing data on multiple nodes	yes	selectable replication factor	Multi-source replication
MapReduce Offers an API for user-defined Map/Reduce methods	no	yes	no
Consistency concepts Methods to ensure consistency in a distributed system	Eventual Consistency Immediate Consistency can be specified for read operations	Eventual Consistency Immediate Consistency	Eventual Consistency
Foreign keys Referential integrity	no	no	no
Transaction concepts Support to ensure data integrity after non-atomic manipulations of data	no Concurrent data updates can be detected by the application	no	no
Concurrency Support for concurrent manipulation of data	yes	yes	yes
Durability Support for making data persistent	yes	yes	yes
In-memory capabilities Is there an option to define some or all structures to be held in-memory only.			no
User concepts Access control	Access rights for users and roles can be defined via the AWS Identity and Access Management (IAM)	no Can implement custom security layer via applications	rights management via user accounts
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More resources
	Amazon SimpleDB	FatDB	JaguarDB
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