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DBMS > Amazon Aurora vs. Cloudant vs. EXASOL

System Properties Comparison Amazon Aurora vs. Cloudant vs. EXASOL

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Editorial information provided by DB-Engines
NameAmazon Aurora  Xexclude from comparisonCloudant  Xexclude from comparisonEXASOL  Xexclude from comparison
DescriptionMySQL and PostgreSQL compatible cloud service by AmazonDatabase as a Service offering based on Apache CouchDBHigh-performance, in-memory, MPP database specifically designed for in-memory analytics.
Primary database modelRelational DBMSDocument storeRelational DBMS
Secondary database modelsDocument store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score8.15
Rank#47  Overall
#28  Relational DBMS
Score3.44
Rank#84  Overall
#15  Document stores
Score2.86
Rank#90  Overall
#45  Relational DBMS
Websiteaws.amazon.com/­rds/­auroracloudant.comwww.exasol.com/­en/­products
Technical documentationdocs.aws.amazon.com/­AmazonRDS/­latest/­AuroraUserGuide/­CHAP_Aurora.htmldocs.cloudant.comwww.exasol.com/­en/­community/­resources
DeveloperAmazonIBM, Apache Software Foundation infoIBM acquired Cloudant in February 2014Exasol
Initial release201520102000
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 languageErlang
Server operating systemshostedhosted
Data schemeyesschema-freeyes
Typing infopredefined data types such as float or dateyesnoyes
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.yesnono
Secondary indexesyesyesyes
SQL infoSupport of SQLyesnoyes
APIs and other access methodsADO.NET
JDBC
ODBC
RESTful HTTP/JSON API.Net
JDBC
ODBC
WebSocket
Supported programming languagesAda
C
C#
C++
D
Delphi
Eiffel
Erlang
Haskell
Java
JavaScript (Node.js)
Objective-C
OCaml
Perl
PHP
Python
Ruby
Scheme
Tcl
C#
Java
JavaScript
Objective-C
PHP
Ruby
Java
Lua
Python
R
Server-side scripts infoStored proceduresyesView functions (Map-Reduce) in JavaScriptuser defined functions
Triggersyesyesyes
Partitioning methods infoMethods for storing different data on different nodeshorizontal partitioningShardingSharding
Replication methods infoMethods for redundantly storing data on multiple nodesMaster-slave replicationMaster-master replication
Master-slave replication
MapReduce infoOffers an API for user-defined Map/Reduce methodsnoyesyes infoHadoop integration
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyEventual ConsistencyImmediate Consistency
Foreign keys infoReferential integrityyesnoyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDno infoatomic operations within a document possibleACID
Concurrency infoSupport for concurrent manipulation of datayesyes infoOptimistic lockingyes
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.yesnoyes
User concepts infoAccess controlfine grained access rights according to SQL-standardAccess rights for users can be defined per databaseAccess rights for users, groups and roles according to SQL-standard

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More resources
Amazon AuroraCloudantEXASOL
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Recent citations in the news

What is Amazon Aurora?
23 December 2019, TechRadar

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28 February 2020, Crowdfund Insider

Resource guide for Amazon Aurora users
13 September 2019, MIT Technology Review

Storage Webinars
4 May 2012, StorageReview.com

Amazon Aurora PostgreSQL Serverless generally available: Autoscaling & automatic
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Job opportunities

Software Development Engineer - Amazon Aurora
Amazon.com Services LLC, Seattle, WA

Amazon DocumentDB Specialist SA
Amazon Web Services, Inc., New York, NY

Software Development Engineer - Amazon Aurora
Amazon.com Services LLC, East Palo Alto, CA

Software Development Manager - Amazon Aurora
Amazon Web Services, Inc., East Palo Alto, CA

Database Engineer - Aurora
Amazon Web Services, Inc., East Palo Alto, CA

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