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DBMS > Amazon CloudSearch vs. openGauss vs. Oracle Coherence

System Properties Comparison Amazon CloudSearch vs. openGauss vs. Oracle Coherence

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Editorial information provided by DB-Engines
NameAmazon CloudSearch  Xexclude from comparisonopenGauss  Xexclude from comparisonOracle Coherence  Xexclude from comparison
DescriptionA hosted search engine service by Amazon with the data stored in Amazons cloudAn enterprise-class RDBMS compatible with high-performance, high-availability and high-performance originally developed by HuaweiOracles in-memory data grid solution
Primary database modelSearch engineRelational DBMSKey-value store
Secondary database modelsDocument store
Spatial DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score1.85
Rank#137  Overall
#12  Search engines
Score1.08
Rank#183  Overall
#84  Relational DBMS
Score1.92
Rank#130  Overall
#22  Key-value stores
Websiteaws.amazon.com/­cloudsearchgitee.com/­opengauss
opengauss.org
www.oracle.com/­java/­coherence
Technical documentationdocs.aws.amazon.com/­cloudsearchdocs.opengauss.org/­en
gitee.com/­opengauss/­docs
docs.oracle.com/­en/­middleware/­standalone/­coherence
DeveloperAmazonHuawei and openGauss communityOracle
Initial release201220192007
Current release3.0, March 202214.1, August 2023
License infoCommercial or Open SourcecommercialOpen Sourcecommercial
Cloud-based only infoOnly available as a cloud serviceyesnono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageC, C++, JavaJava
Server operating systemshostedLinuxAll 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.nono
Secondary indexesyes infoall search fields are automatically indexedyesno
SQL infoSupport of SQLnoANSI SQL 2011no
APIs and other access methodsHTTP APIJDBC
ODBC
JCache
JPA
RESTful HTTP API
Supported programming languagesC
C++
Java
.Net
C++
Java
Server-side scripts infoStored proceduresnoyesno
Triggersnoyesyes infoLive Events
Partitioning methods infoMethods for storing different data on different nodesyes infoautomatic partitioning across Amazon Search Instance as requiredhorizontal partitioning (by range, list and hash)Sharding
Replication methods infoMethods for redundantly storing data on multiple nodesyes infomanaged transparently by AWSSource-replica replicationyes, 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.noyes
User concepts infoAccess controlauthentication via encrypted signaturesAccess rights for users, groups and roles according to SQL-standardauthentification to access the cache via certificates or http basic authentication

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More resources
Amazon CloudSearchopenGaussOracle Coherence
DB-Engines blog posts

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Recent citations in the news

Amazon CloudSearch – Start Searching in One Hour for Less Than $100 / Month | Amazon Web Services
12 April 2012, AWS Blog

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

Amazon CloudSearch – Even Better Searching for Less Than $100/Month | Amazon Web Services
24 March 2014, AWS Blog

Amazon Takes On Google And Microsoft With CloudSearch
16 April 2012, Forbes

Searching CloudTrail Logs Easily with Amazon CloudSearch | AWS Startups Blog
21 October 2014, AWS Blog

provided by Google News

openGauss Open Source Community Officially Launch
1 July 2020, Huawei

The openGauss powers database industry forward through innovation
6 January 2022, Global Times

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12 October 2020, PR Newswire

An Industrial bank joins Huawei openGauss database community
7 December 2022, HC Newsroom

About HUAWEI Open Source
9 February 2022, Huawei

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9 August 2022, Oracle

Nike achieves scalability and performance with Oracle Coherence & Exadata
20 December 2012, Oracle

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1 April 2021, Microsoft

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8 February 2023, The Paypers

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