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DBMS > Cloudant vs. EJDB

System Properties Comparison Cloudant vs. EJDB

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Editorial information provided by DB-Engines
NameCloudant  Xexclude from comparisonEJDB  Xexclude from comparison
DescriptionDatabase as a Service offering based on Apache CouchDBEmbeddable document-store database library with JSON representation of queries (in MongoDB style)
Primary database modelDocument storeDocument store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score4.01
Rank#82  Overall
#15  Document stores
Score0.24
Rank#270  Overall
#36  Document stores
Websitecloudant.comejdb.org
Technical documentationdocs.cloudant.comgithub.com/­Softmotions/­ejdb/­blob/­master/­README.md
DeveloperIBM, Apache Software Foundation infoIBM acquired Cloudant in February 2014Softmotions
Initial release20102012
License infoCommercial or Open SourcecommercialOpen Source infoGPLv2
Cloud-based only infoOnly available as a cloud serviceyesno
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageErlangC
Server operating systemshostedserver-less
Data schemeschema-freeschema-free
Typing infopredefined data types such as float or datenoyes infostring, integer, double, bool, date, object_id
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.no
Secondary indexesyesno
SQL infoSupport of SQLnono
APIs and other access methodsRESTful HTTP/JSON APIin-process shared library
Supported programming languagesC#
Java
JavaScript
Objective-C
PHP
Ruby
Actionscript
C
C#
C++
Go
Java
JavaScript (Node.js)
Lua
Objective-C
Pike
Python
Ruby
Server-side scripts infoStored proceduresView functions (Map-Reduce) in JavaScriptno
Triggersyesno
Partitioning methods infoMethods for storing different data on different nodesShardingnone
Replication methods infoMethods for redundantly storing data on multiple nodesMulti-source replication
Source-replica replication
none
MapReduce infoOffers an API for user-defined Map/Reduce methodsyesno
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual Consistency
Foreign keys infoReferential integritynono infotypically not needed, however similar functionality with collection joins possible
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datano infoatomic operations within a document possibleno
Concurrency infoSupport for concurrent manipulation of datayes infoOptimistic lockingyes infoRead/Write Locking
Durability infoSupport for making data persistentyesyes
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 can be defined per databaseno

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CloudantEJDB
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Recent citations in the news

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23 June 2020, DevOps.com

IBM Expands Cloud Database Services with Kubernetes
26 September 2019, EnterpriseAI

How to Trigger OpenWhisk Actions on Cloudant Databases Changes
27 July 2016, DZone News

IBM’s new CEO lays out his roadmap
5 May 2020, InfoWorld

IBM Research – Confidentiality and Governance of Cloud Services
24 April 2020, DevOps.com

provided by Google News

Portraying breast cancers with long noncoding RNAs
2 September 2016, Science Advances

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Job opportunities

Cloudant to CouchDB Migration project
nFolks Ltd, Charlotte, NC

jobs by Indeed




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