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DBMS > Amazon SimpleDB vs. PostGIS vs. Riak KV vs. searchxml vs. STSdb

System Properties Comparison Amazon SimpleDB vs. PostGIS vs. Riak KV vs. searchxml vs. STSdb

Editorial information provided by DB-Engines
NameAmazon SimpleDB  Xexclude from comparisonPostGIS  Xexclude from comparisonRiak KV  Xexclude from comparisonsearchxml  Xexclude from comparisonSTSdb  Xexclude from comparison
DescriptionHosted simple database service by Amazon, with the data stored in the Amazon Cloud. infoThere is an unrelated product called SimpleDB developed by Edward ScioreSpatial extension of PostgreSQLDistributed, fault tolerant key-value storeDBMS for structured and unstructured content wrapped with an application serverKey-Value Store with special method for indexing infooptimized for high performance using a special indexing method
Primary database modelKey-value storeSpatial DBMSKey-value store infowith links between data sets and object tags for the creation of secondary indexesNative XML DBMS
Search engine
Key-value store
Secondary database modelsRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score1.88
Rank#133  Overall
#23  Key-value stores
Score21.72
Rank#29  Overall
#1  Spatial DBMS
Score4.01
Rank#79  Overall
#9  Key-value stores
Score0.03
Rank#390  Overall
#7  Native XML DBMS
#24  Search engines
Score0.10
Rank#357  Overall
#51  Key-value stores
Websiteaws.amazon.com/­simpledbpostgis.netwww.searchxml.net/­category/­productsgithub.com/­STSSoft/­STSdb4
Technical documentationdocs.aws.amazon.com/­simpledbpostgis.net/­documentationwww.tiot.jp/­riak-docs/­riak/­kv/­latestwww.searchxml.net/­support/­handouts
DeveloperAmazonOpenSource, formerly Basho Technologiesinformationpartners gmbhSTS Soft SC
Initial release20072005200920152011
Current release3.4.2, February 20243.2.0, December 20221.04.0.8, September 2015
License infoCommercial or Open SourcecommercialOpen Source infoGPL v2.0Open Source infoApache version 2, commercial enterprise editioncommercialOpen Source infoGPLv2, commercial license available
Cloud-based only infoOnly available as a cloud serviceyesnononono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageCErlangC++C#
Server operating systemshostedLinux
OS X
WindowsWindows
Data schemeschema-freeyesschema-freeschema-freeyes
Typing infopredefined data types such as float or datenoyesnoyesyes infoprimitive types and user defined types (classes)
XML support infoSome form of processing data in XML format, e.g. support for XML data structures, and/or support for XPath, XQuery or XSLT.yesnoyes
Secondary indexesyes infoAll columns are indexed automaticallyyesrestrictedyesno
SQL infoSupport of SQLnoyesnonono
APIs and other access methodsRESTful HTTP APIHTTP API
Native Erlang Interface
RESTful HTTP API
WebDAV
XQuery
XSLT
.NET Client API
Supported programming languages.Net
C
C++
Erlang
Java
PHP
Python
Ruby
Scala
C infounofficial client library
C#
C++ infounofficial client library
Clojure infounofficial client library
Dart infounofficial client library
Erlang
Go infounofficial client library
Groovy infounofficial client library
Haskell infounofficial client library
Java
JavaScript infounofficial client library
Lisp infounofficial client library
Perl infounofficial client library
PHP
Python
Ruby
Scala infounofficial client library
Smalltalk infounofficial client library
C++ infomost other programming languages supported via APIsC#
Java
Server-side scripts infoStored proceduresnouser defined functionsErlangyes infoon the application serverno
Triggersnoyesyes infopre-commit hooks and post-commit hooksnono
Partitioning methods infoMethods for storing different data on different nodesnone infoSharding must be implemented in the applicationyes infobased on PostgreSQLSharding infono "single point of failure"nonenone
Replication methods infoMethods for redundantly storing data on multiple nodesyesyes infobased on PostgreSQLselectable replication factoryes infosychronisation to multiple collectionsnone
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonoyesnono
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual Consistency
Immediate Consistency infocan be specified for read operations
Immediate ConsistencyEventual ConsistencyImmediate Consistency
Foreign keys infoReferential integritynoyesno infolinks between data sets can be storednono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datano infoConcurrent data updates can be detected by the applicationACIDnomultiple readers, single writerno
Concurrency infoSupport for concurrent manipulation of datayesyesyesyesyes
Durability infoSupport for making data persistentyesyesyesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.nono
User concepts infoAccess controlAccess rights for users and roles can be defined via the AWS Identity and Access Management (IAM)yes infobased on PostgreSQLyes, using Riak SecurityDomain, group and role-based access control at the document level and for application servicesno

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More resources
Amazon SimpleDBPostGISRiak KVsearchxmlSTSdb
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Recent citations in the news

A Place for Everything – Amazon SimpleDB
14 December 2007, AWS Blog

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