DBMS > Amazon SimpleDB vs. SAP Advantage Database Server vs. SpaceTime vs. Transwarp StellarDB

System Properties Comparison Amazon SimpleDB vs. SAP Advantage Database Server vs. SpaceTime vs. Transwarp StellarDB

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Editorial information provided by DB-Engines
Name	Amazon SimpleDB  Xexclude from comparison	SAP Advantage Database Server former name: Sybase ADS  Xexclude from comparison	SpaceTime  Xexclude from comparison	Transwarp StellarDB  Xexclude from comparison
		SAP Advantage Database Server seems to be discontinued. Therefore it is excluded 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	Low-cost RDBMS with access to ISAM and FoxPro data structures	SpaceTime is a spatio-temporal DBMS with a focus on performance.	A distributed graph DBMS built for enterprise-level graph applications
Primary database model	Key-value store	Relational DBMS	Spatial DBMS	Graph DBMS
Secondary database models			Relational DBMS
DB-Engines Ranking measures the popularity of database management systems Trend Chart	Score 1.88 Rank #133   Overall #23   Key-value stores		Score 0.03 Rank #392   Overall #8   Spatial DBMS	Score 0.07 Rank #371   Overall #39   Graph DBMS
Website	aws.amazon.com/­simpledb	www.sap.com/products/advantage-database-server.html	www.mireo.com/­spacetime	www.transwarp.cn/­en/­product/­stellardb
Technical documentation	docs.aws.amazon.com/­simpledb
Developer	Amazon	Sybase, SAP	Mireo	Transwarp
Initial release	2007	1993	2020
License Commercial or Open Source	commercial	commercial	commercial	commercial
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			C++
Server operating systems	hosted	Linux Windows	Linux
Data scheme	schema-free	yes	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	no
Secondary indexes	yes All columns are indexed automatically	yes	no
SQL Support of SQL	no	yes	A subset of ANSI SQL is implemented	SQL-like query language
APIs and other access methods	RESTful HTTP API	.NET Client API ADO.NET JDBC ODBC OLE DB	RESTful HTTP API	OpenCypher
Supported programming languages	.Net C C++ Erlang Java PHP Python Ruby Scala	Delphi Perl PHP	C# C++ Python
Server-side scripts Stored procedures	no	yes	no
Triggers	no	yes	no
Partitioning methods Methods for storing different data on different nodes	none Sharding must be implemented in the application	none	Fixed-grid hypercubes	horizontal partitioning
Replication methods Methods for redundantly storing data on multiple nodes	yes	Multi-source replication CONFLICT Trigger to resolve replication conflicts Source-replica replication	Real-time block device replication (DRBD)
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	Immediate Consistency
Foreign keys Referential integrity	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	ACID	no
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.		no caching of (temporary) tables can be configured	no
User concepts Access control	Access rights for users and roles can be defined via the AWS Identity and Access Management (IAM)	fine grained access rights according to SQL-standard	yes	yes
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More resources
	Amazon SimpleDB	SAP Advantage Database Server former name: Sybase ADS	SpaceTime	Transwarp StellarDB
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 | AWS News Blog 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 An Overview of Amazon Web Services - Cloud Application Architectures [Book] 22 September 2018, oreilly.com Amazon SimpleDB Management in Eclipse | AWS News Blog 22 July 2009, AWS Blog Good Advice on Keeping Your Database Simple and Fast. 25 March 2009, All Things Distributed provided by Google News	SAP Announces Q3 2023 Results: Asia Pacific and Japan View 19 October 2023, SAP News provided by Google News

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