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DBMS > Amazon SimpleDB vs. STSdb vs. WakandaDB vs. YDB vs. YottaDB

System Properties Comparison Amazon SimpleDB vs. STSdb vs. WakandaDB vs. YDB vs. YottaDB

Editorial information provided by DB-Engines
NameAmazon SimpleDB  Xexclude from comparisonSTSdb  Xexclude from comparisonWakandaDB  Xexclude from comparisonYDB  Xexclude from comparisonYottaDB  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 ScioreKey-Value Store with special method for indexing infooptimized for high performance using a special indexing methodWakandaDB is embedded in a server that provides a REST API and a server-side javascript engine to access dataA distributed fault-tolerant database service, with high availability, scalability, immediate consistency and ACID transactions and providing an Amazon DynamoDB compatible APIA fast and solid embedded Key-value store
Primary database modelKey-value storeKey-value storeObject oriented DBMSDocument store
Relational DBMS
Key-value store
Secondary database modelsRelational DBMS infousing the Octo plugin
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score1.85
Rank#138  Overall
#24  Key-value stores
Score0.04
Rank#360  Overall
#52  Key-value stores
Score0.03
Rank#364  Overall
#17  Object oriented DBMS
Score0.35
Rank#278  Overall
#43  Document stores
#127  Relational DBMS
Score0.20
Rank#317  Overall
#47  Key-value stores
Websiteaws.amazon.com/­simpledbgithub.com/­STSSoft/­STSdb4wakanda.github.iogithub.com/­ydb-platform/­ydb
ydb.tech
yottadb.com
Technical documentationdocs.aws.amazon.com/­simpledbwakanda.github.io/­docydb.tech/­en/­docsyottadb.com/­resources/­documentation
DeveloperAmazonSTS Soft SCWakanda SASYandexYottaDB, LLC
Initial release20072011201220192001
Current release4.0.8, September 20152.7.0 (April 29, 2019), April 2019
License infoCommercial or Open SourcecommercialOpen Source infoGPLv2, commercial license availableOpen Source infoAGPLv3, extended commercial license availableOpen Source infoApache 2.0; commercial license availableOpen Source infoAGPL 3.0
Cloud-based only infoOnly available as a cloud serviceyesnononono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageC#C++, JavaScriptC
Server operating systemshostedWindowsLinux
OS X
Windows
LinuxDocker
Linux
Data schemeschema-freeyesyesFlexible Schema (defined schema, partial schema, schema free)schema-free
Typing infopredefined data types such as float or datenoyes infoprimitive types and user defined types (classes)yesyesno
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 automaticallynoyesno
SQL infoSupport of SQLnononoSQL-like query language (YQL)by using the Octo plugin
APIs and other access methodsRESTful HTTP API.NET Client APIRESTful HTTP APIRESTful HTTP API (DynamoDB compatible)PostgreSQL wire protocol infousing the Octo plugin
Proprietary protocol
Supported programming languages.Net
C
C++
Erlang
Java
PHP
Python
Ruby
Scala
C#
Java
JavaScriptGo
Java
JavaScript (Node.js)
PHP
Python
C
Go
JavaScript (Node.js)
Lua
M
Perl
Python
Rust
Server-side scripts infoStored proceduresnonoyesno
Triggersnonoyes
Partitioning methods infoMethods for storing different data on different nodesnone infoSharding must be implemented in the applicationnonenoneSharding
Replication methods infoMethods for redundantly storing data on multiple nodesyesnonenoneActive-passive shard replicationyes
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 Consistency
Foreign keys infoReferential integritynonono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datano infoConcurrent data updates can be detected by the applicationnoACIDACIDoptimistic locking
Concurrency infoSupport for concurrent manipulation of datayesyesyesyes
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.nonoyes
User concepts infoAccess controlAccess rights for users and roles can be defined via the AWS Identity and Access Management (IAM)noyesAccess rights defined for Yandex Cloud usersUsers and groups based on OS-security mechanisms

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

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An Overview of Amazon Web Services - Cloud Application Architectures [Book]
22 September 2018, O'Reilly Media

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