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DBMS > CouchDB vs. DataFS vs. IBM Cloudant

System Properties Comparison CouchDB vs. DataFS vs. IBM Cloudant

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Editorial information provided by DB-Engines
NameCouchDB infostands for "Cluster Of Unreliable Commodity Hardware"  Xexclude from comparisonDataFS  Xexclude from comparisonIBM Cloudant  Xexclude from comparison
DescriptionA native JSON - document store inspired by Lotus Notes, scalable from globally distributed server-clusters down to mobile phones.All data is stored inside objects which are linked by so-called link attributes. Objects consist of classes which can be extended and de-extended at runtime. Graphs can be defined with a struct.Database as a Service offering based on Apache CouchDB
Primary database modelDocument storeObject oriented DBMSDocument store
Secondary database modelsSpatial DBMS infousing the Geocouch extensionGraph DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score9.30
Rank#45  Overall
#7  Document stores
Score0.06
Rank#354  Overall
#15  Object oriented DBMS
Score2.68
Rank#106  Overall
#20  Document stores
Websitecouchdb.apache.orgnewdatabase.comwww.ibm.com/­products/­cloudant
Technical documentationdocs.couchdb.org/­en/­stabledev.mobiland.com/­Overview.xspcloud.ibm.com/­docs/­Cloudant
DeveloperApache Software Foundation infoApache top-level project, originally developed by Damien Katz, a former Lotus Notes developerMobiland AGIBM, Apache Software Foundation infoIBM acquired Cloudant in February 2014
Initial release200520182010
Current release3.3.3, December 20231.1.263, October 2022
License infoCommercial or Open SourceOpen Source infoApache version 2commercialcommercial
Cloud-based only infoOnly available as a cloud servicenonoyes
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageErlangErlang
Server operating systemsAndroid
BSD
Linux
OS X
Solaris
Windows
Windowshosted
Data schemeschema-freeClasses, Structs, and Lists are written in proprietary DataTypeDefinitionLanguage (.dtdl) and Objects consisting of those are written in proprietary DataAccessDefinitionLanguage (.dadl)schema-free
Typing infopredefined data types such as float or datenoyesno
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.nonono
Secondary indexesyes infovia viewsnoyes
SQL infoSupport of SQLnonono
APIs and other access methodsRESTful HTTP/JSON API.NET Client API
Proprietary client DLL
WinRT client
RESTful HTTP/JSON API
Supported programming languagesC
C#
ColdFusion
Erlang
Haskell
Java
JavaScript
Lisp
Lua
Objective-C
OCaml
Perl
PHP
PL/SQL
Python
Ruby
Smalltalk
.Net
C
C#
C++
VB.Net
C#
Java
JavaScript
Objective-C
PHP
Ruby
Server-side scripts infoStored proceduresView functions in JavaScriptView functions (Map-Reduce) in JavaScript
Triggersyesno, except callback-events from server when changes happenedyes
Partitioning methods infoMethods for storing different data on different nodesSharding infoimproved architecture with release 2.0Proprietary Sharding systemSharding
Replication methods infoMethods for redundantly storing data on multiple nodesMulti-source replication
Source-replica replication
Multi-source replication
Source-replica replication
MapReduce infoOffers an API for user-defined Map/Reduce methodsyesnoyes
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual ConsistencyImmediate ConsistencyEventual Consistency
Foreign keys infoReferential integritynoyesno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datano infoatomic operations within a single document possibleACIDno infoatomic operations within a document possible
Concurrency infoSupport for concurrent manipulation of datayes infostrategy: optimistic lockingyesyes infoOptimistic locking
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.nonono
User concepts infoAccess controlAccess rights for users can be defined per databaseWindows-ProfileAccess rights for users can be defined per database

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More resources
CouchDB infostands for "Cluster Of Unreliable Commodity Hardware"DataFSIBM Cloudant
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