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DBMS > CouchDB

CouchDB System Properties

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Editorial information provided by DB-Engines
NameCouchDB infostands for "Cluster Of Unreliable Commodity Hardware"
DescriptionA native JSON - document store inspired by Lotus Notes, scalable from globally distributed server-clusters down to mobile phones.
Primary database modelDocument store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score19.42
Rank#28  Overall
#4  Document stores
Websitecouchdb.apache.org
Technical documentationwiki.apache.org/­couchdb
DeveloperApache Software Foundation infoApache top-level project, originally developed by Damien Katz, a former Lotus Notes developer
Initial release2005
Current release2.1.1, November 2017
License infoCommercial or Open SourceOpen Source infoApache version 2
Cloud-based infoOnly available as a cloud serviceno
Implementation languageErlang
Server operating systemsAndroid
BSD
Linux
OS X
Solaris
Windows
Data schemeschema-free
Typing infopredefined data types such as float or dateno
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 indexesyes infovia views
SQL infoSupport of SQLno
APIs and other access methodsRESTful HTTP/JSON API
Supported programming languagesC
C#
ColdFusion
Erlang
Haskell
Java
JavaScript
Lisp
Lua
Objective-C
OCaml
Perl
PHP
PL/SQL
Python
Ruby
Smalltalk
Server-side scripts infoStored proceduresView functions in JavaScript
Triggersyes
Partitioning methods infoMethods for storing different data on different nodesSharding infoimproved architecture with release 2.0
Replication methods infoMethods for redundantly storing data on multiple nodesMaster-master replication
Master-slave replication
MapReduce infoOffers an API for user-defined Map/Reduce methodsyes
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual Consistency
Foreign keys infoReferential integrityno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datano infoatomic operations within a single document possible
Concurrency infoSupport for concurrent manipulation of datayes infostrategy: optimistic locking
Durability infoSupport for making data persistentyes
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 database

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