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DBMS > Amazon CloudSearch vs. Microsoft Azure SQL Database vs. Oracle Coherence

System Properties Comparison Amazon CloudSearch vs. Microsoft Azure SQL Database vs. Oracle Coherence

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Editorial information provided by DB-Engines
NameAmazon CloudSearch  Xexclude from comparisonMicrosoft Azure SQL Database infoformerly SQL Azure  Xexclude from comparisonOracle Coherence  Xexclude from comparison
DescriptionA hosted search engine service by Amazon with the data stored in Amazons cloudDatabase as a Service offering with high compatibility to Microsoft SQL ServerOracles in-memory data grid solution
Primary database modelSearch engineRelational DBMSKey-value store
Secondary database modelsDocument store
Graph DBMS
Spatial DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score2.52
Rank#125  Overall
#11  Search engines
Score77.44
Rank#16  Overall
#10  Relational DBMS
Score2.67
Rank#121  Overall
#24  Key-value stores
Websiteaws.amazon.com/­cloudsearchazure.microsoft.com/­en-us/­services/­sql-databasewww.oracle.com/­middleware/­technologies/­coherence.html
Technical documentationdocs.aws.amazon.com/­cloudsearchdocs.microsoft.com/­en-us/­azure/­azure-sqldocs.oracle.com/­en/­middleware/­standalone/­coherence
DeveloperAmazonMicrosoftOracle
Initial release201220102007
Current releaseV1212c, September 2016
License infoCommercial or Open Sourcecommercialcommercialcommercial
Cloud-based only infoOnly available as a cloud serviceyesyesno
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageC++Java
Server operating systemshostedhostedAll OS with a Java VM
Data schemeyesyesschema-free
Typing infopredefined data types such as float or dateyesyesyes
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.yesno
Secondary indexesyes infoall search fields are automatically indexedyesno
SQL infoSupport of SQLnoyesno
APIs and other access methodsHTTP APIADO.NET
JDBC
ODBC
JCache
JPA
RESTful HTTP API
Supported programming languages.Net
C#
Java
JavaScript (Node.js)
PHP
Python
Ruby
.Net
C++
Java
Server-side scripts infoStored proceduresnoTransact SQLno
Triggersnoyesyes infoLive Events
Partitioning methods infoMethods for storing different data on different nodesyes infoautomatic partitioning across Amazon Search Instance as requiredSharding
Replication methods infoMethods for redundantly storing data on multiple nodesyes infomanaged transparently by AWSyes, with always 3 replicas availableyes, with selectable consistency level
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyEventual Consistency
Immediate Consistency
Foreign keys infoReferential integritynoyesno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanoACIDconfigurable
Concurrency infoSupport for concurrent manipulation of datayesyesyes
Durability infoSupport for making data persistentyesyesyes infooptionally
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yes
User concepts infoAccess controlauthentication via encrypted signaturesfine grained access rights according to SQL-standardauthentification to access the cache via certificates or http basic authentication

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More resources
Amazon CloudSearchMicrosoft Azure SQL Database infoformerly SQL AzureOracle Coherence
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Recent citations in the news

Building a PLG motion on top of usage-based pricing
13 March 2023, TechCrunch

Is Amazon CloudSearch superior to do-it-yourself search tools?
24 January 2014, TechTarget

How your company can adopt a usage-based business model like ...
11 July 2022, TechCrunch

Using AWS Cloud Search
11 December 2012, InfoQ.com

To find people within the organisation, Google rolls out cloud search
6 March 2022, BusinessLine

provided by Google News

Releases · oracle/coherence
22 December 2022, github.com

Install and Use the Coherence VisualVM Plug-In to Manage and Monitor a Coherence Cluster
17 September 2022, docs.oracle.com

Coherence Down Under | Tips, tricks and discussions on Oracle Coherence
9 February 2023, coherencedownunder.wordpress.com

RCI Migrates from Oracle Coherence to Redis to Reduce Complexity and Build Better Applications Faster | Redis
22 October 2022, Redis.com

Announcing Coherence CE 22.06. The Coherence development team is very… | by Randy Stafford | Oracle Coherence
26 July 2022, Medium

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