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DBMS > Amazon SimpleDB vs. MaxDB vs. Realm vs. SQL.JS vs. STSdb

System Properties Comparison Amazon SimpleDB vs. MaxDB vs. Realm vs. SQL.JS vs. STSdb

Editorial information provided by DB-Engines
NameAmazon SimpleDB  Xexclude from comparisonMaxDB infoformerly named Adabas-D  Xexclude from comparisonRealm  Xexclude from comparisonSQL.JS  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 ScioreA robust and reliable RDBMS optimized to run all major SAP solutionsA DBMS built for use on mobile devices that’s a fast, easy to use alternative to SQLite and Core DataPort of SQLite to JavaScriptKey-Value Store with special method for indexing infooptimized for high performance using a special indexing method
Primary database modelKey-value storeRelational DBMSDocument storeRelational DBMSKey-value store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score1.85
Rank#138  Overall
#24  Key-value stores
Score2.32
Rank#112  Overall
#55  Relational DBMS
Score7.60
Rank#52  Overall
#9  Document stores
Score0.53
Rank#252  Overall
#116  Relational DBMS
Score0.04
Rank#360  Overall
#52  Key-value stores
Websiteaws.amazon.com/­simpledbmaxdb.sap.comrealm.iosql.js.orggithub.com/­STSSoft/­STSdb4
Technical documentationdocs.aws.amazon.com/­simpledbmaxdb.sap.com/­documentationrealm.io/­docssql.js.org/­documentation/­index.html
DeveloperAmazonSAP, acquired from Software AG (Adabas-D) in 1997Realm, acquired by MongoDB in May 2019Alon Zakai infoenhancements implemented by othersSTS Soft SC
Initial release20071984201420122011
Current release7.9.10.12, February 20244.0.8, September 2015
License infoCommercial or Open Sourcecommercialcommercial infoLimited community edition freeOpen SourceOpen SourceOpen 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 languageC++JavaScriptC#
Server operating systemshostedAIX
HP-UX
Linux
Solaris
Windows
Android
Backend: server-less
iOS
Windows
server-less, requires a JavaScript environment (browser, Node.js)Windows
Data schemeschema-freeyesyesyesyes
Typing infopredefined data types such as float or datenoyesyesyesyes 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.nonono
Secondary indexesyes infoAll columns are indexed automaticallyyesyesno
SQL infoSupport of SQLnoyesnoyes infoSQL-92 is not fully supportedno
APIs and other access methodsRESTful HTTP APIADO.NET
JDBC
ODBC
WebDAV
JavaScript API.NET Client API
Supported programming languages.Net
C
C++
Erlang
Java
PHP
Python
Ruby
Scala
.Net
C#
Java
Perl
PHP
Python
.Net
Java infowith Android only
Objective-C
React Native
Swift
JavaScriptC#
Java
Server-side scripts infoStored proceduresnoyesno inforuns within the applications so server-side scripts are unnecessarynono
Triggersnoyesyes infoChange Listenersnono
Partitioning methods infoMethods for storing different data on different nodesnone infoSharding must be implemented in the applicationnonenonenonenone
Replication methods infoMethods for redundantly storing data on multiple nodesyesSource-replica replicationnonenonenone
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonononono
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual Consistency
Immediate Consistency infocan be specified for read operations
Immediate ConsistencyImmediate Consistencynone
Foreign keys infoReferential integritynoyesnoyesno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datano infoConcurrent data updates can be detected by the applicationACIDACIDACIDno
Concurrency infoSupport for concurrent manipulation of datayesyesyes
Durability infoSupport for making data persistentyesyesyesno infoexcept by serializing a db to a fileyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.noyes infoIn-Memory realmyes
User concepts infoAccess controlAccess rights for users and roles can be defined via the AWS Identity and Access Management (IAM)fine grained access rights according to SQL-standardyesnono

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More resources
Amazon SimpleDBMaxDB infoformerly named Adabas-DRealmSQL.JSSTSdb
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