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DBMS > Amazon SimpleDB vs. OpenQM vs. Snowflake

System Properties Comparison Amazon SimpleDB vs. OpenQM vs. Snowflake

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Editorial information provided by DB-Engines
NameAmazon SimpleDB  Xexclude from comparisonOpenQM infoalso called QM  Xexclude from comparisonSnowflake  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 ScioreQpenQM is a high-performance, self-tuning, multi-value DBMSCloud-based data warehousing service for structured and semi-structured data
Primary database modelKey-value storeMultivalue DBMSRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score1.90
Rank#145  Overall
#24  Key-value stores
Score0.38
Rank#278  Overall
#10  Multivalue DBMS
Score125.38
Rank#9  Overall
#6  Relational DBMS
Websiteaws.amazon.com/­simpledbwww.rocketsoftware.com/­products/­rocket-multivalue-application-development-platform/­rocket-open-qmwww.snowflake.com
Technical documentationdocs.aws.amazon.com/­simpledbdocs.snowflake.net/­manuals/­index.html
DeveloperAmazonRocket Software, originally Martin PhillipsSnowflake Computing Inc.
Initial release200719932014
Current release3.4-12
License infoCommercial or Open SourcecommercialOpen Source infoGPLv2, extended commercial license availablecommercial
Cloud-based only infoOnly available as a cloud serviceyesnoyes
DBaaS offerings (sponsored links) infoDatabase as a Service

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Server operating systemshostedAIX
FreeBSD
Linux
macOS
Raspberry Pi
Solaris
Windows
hosted
Data schemeschema-freeyes infowith some exceptionsyes infosupport of semi-structured data formats (JSON, XML, Avro)
Typing infopredefined data types such as float or datenoyes
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.yesyes
Secondary indexesyes infoAll columns are indexed automaticallyyes
SQL infoSupport of SQLnonoyes
APIs and other access methodsRESTful HTTP APICLI Client
JDBC
ODBC
Supported programming languages.Net
C
C++
Erlang
Java
PHP
Python
Ruby
Scala
.Net
Basic
C
Java
Objective C
PHP
Python
JavaScript (Node.js)
Python
Server-side scripts infoStored proceduresnoyesuser defined functions
Triggersnoyesno infosimilar concept for controling cloud resources
Partitioning methods infoMethods for storing different data on different nodesnone infoSharding must be implemented in the applicationyesyes
Replication methods infoMethods for redundantly storing data on multiple nodesyesyesyes
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonono
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 integritynonoyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datano infoConcurrent data updates can be detected by the applicationACIDACID
Concurrency infoSupport for concurrent manipulation of datayesyesyes
Durability infoSupport for making data persistentyesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.no
User concepts infoAccess controlAccess rights for users and roles can be defined via the AWS Identity and Access Management (IAM)Access rights can be defined down to the item levelUsers with fine-grained authorization concept, user roles and pluggable authentication

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More resources
Amazon SimpleDBOpenQM infoalso called QMSnowflake
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Recent citations in the news

High Performance Multithreaded Access to Amazon SimpleDB
8 May 2008, AWS Blog

Hands-on Tutorial for Getting Started with Amazon SimpleDB
28 May 2010, Packt Hub

Amazon DynamoDB Serves Trillions Of Requests Per Month While Counterpart SimpleDB Is No Longer A Listed Product On AWS
12 November 2013, TechCrunch

Amazon DynamoDB – a Fast and Scalable NoSQL Database Service Designed for Internet Scale Applications
18 January 2012, All Things Distributed

Amazon SimpleDB Management in Eclipse
22 July 2009, AWS Blog

provided by Google News

Former Snowflake and Microsoft execs back new data governance startup Codified
27 February 2024, GeekWire

Dune partners with Snowflake to make blockchain data more accessible
27 February 2024, Blockworks

Snowflake's stock tumbles as CEO Frank Slootman steps down and outlook weakens
28 February 2024, SiliconANGLE News

Snowflake CEO Slootman steps down, Ramaswamy takes over
29 February 2024, TechTarget

2 Things Snowflake Investors Need to Know About CEO Frank Slootman's Surprise Resignation
29 February 2024, Yahoo Finance

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