DB-EnginesInfluxDB download bannerEnglish
Deutsch
Knowledge Base of Relational and NoSQL Database Management Systemsprovided by solid IT

DBMS > CouchDB vs. eXtremeDB vs. PouchDB

System Properties Comparison CouchDB vs. eXtremeDB vs. PouchDB

Please select another system to include it in the comparison.

Editorial information provided by DB-Engines
NameCouchDB infostands for "Cluster Of Unreliable Commodity Hardware"  Xexclude from comparisoneXtremeDB  Xexclude from comparisonPouchDB  Xexclude from comparison
DescriptionA native JSON - document store inspired by Lotus Notes, scalable from globally distributed server-clusters down to mobile phones.Natively in-memory DBMS with options for persistency, high-availability and clusteringJavaScript DBMS with an API inspired by CouchDB
Primary database modelDocument storeRelational DBMS
Time Series DBMS
Document store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score18.04
Rank#34  Overall
#5  Document stores
Score0.38
Rank#221  Overall
#105  Relational DBMS
#12  Time Series DBMS
Score2.75
Rank#88  Overall
#16  Document stores
Websitecouchdb.apache.orgwww.mcobject.com/­extremedbfamilypouchdb.com
Technical documentationdocs.couchdb.org/­en/­stablewww.mcobject.com/­docs/­eXtremeDB.htmpouchdb.com/­guides
DeveloperApache Software Foundation infoApache top-level project, originally developed by Damien Katz, a former Lotus Notes developerMcObjectApache Software Foundation
Initial release200520012012
Current release2.3.1, March 20198.0, May 20187.1.1, June 2019
License infoCommercial or Open SourceOpen Source infoApache version 2commercialOpen Source
Cloud-based only infoOnly available as a cloud servicenonono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageErlangC and C++JavaScript
Server operating systemsAndroid
BSD
Linux
OS X
Solaris
Windows
AIX
HP-UX
Linux
macOS
Solaris
Windows
server-less, requires a JavaScript environment (browser, Node.js)
Data schemeschema-freeyesschema-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.nono infosupport of XML interfaces availableno
Secondary indexesyes infovia viewsyesyes infovia views
SQL infoSupport of SQLnoyes infowith the option: eXtremeSQLno
APIs and other access methodsRESTful HTTP/JSON API.NET Client API
JDBC
JNI
ODBC
proprietary protocol
HTTP REST infoonly for PouchDB Server
JavaScript 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++
Java
Lua
Python
JavaScript
Server-side scripts infoStored proceduresView functions in JavaScriptyesView functions in JavaScript
Triggersyesyes infoby defining eventsyes
Partitioning methods infoMethods for storing different data on different nodesSharding infoimproved architecture with release 2.0horizontal partitioning / shardingSharding infowith a proxy-based framework, named couchdb-lounge
Replication methods infoMethods for redundantly storing data on multiple nodesMaster-master replication
Master-slave replication
Master-master replication infoby means of eXtremeDB Cluster option
Master-slave replication infoby means of eXtremeDB High Availability option
Master-master replication infoalso with CouchDB databases
Master-slave replication infoalso with CouchDB databases
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
Concurrency infoSupport for concurrent manipulation of datayes infostrategy: optimistic lockingyes infoOptimistic (MVCC) and pessimistic (locking) strategies available
Durability infoSupport for making data persistentyesyesyes infoby using IndexedDB, WebSQL or LevelDB as backend
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.noyesyes
User concepts infoAccess controlAccess rights for users can be defined per databaseno
More information provided by the system vendor
CouchDB infostands for "Cluster Of Unreliable Commodity Hardware"eXtremeDBPouchDB
Specific characteristicseXtremeDB is an in-memory and/or persistent database system that offers an ultra-small...
» more
Competitive advantageseXtremeDB databases can be modeled relationally or as objects and can utilize SQL...
» more
Typical application scenariosIoT application across all markets: Industrial Control, Netcom, Telecom, Defense,...
» more
Key customersSchneider Electronics, F5 Networks, TNS, Boeing, Northrop Grumman, GoPro, ViaSat,...
» more
Market metricsWith hundreds of customers and over 28 million devices/applications using the product...
» more
Licensing and pricing modelsFor server use cases, there is a simple per-server license irrespective of the number...
» more

We invite representatives of system vendors to contact us for updating and extending the system information,
and for displaying vendor-provided information such as key customers, competitive advantages and market metrics.

Related products and services

We invite representatives of vendors of related products to contact us for presenting information about their offerings here.

More resources
CouchDB infostands for "Cluster Of Unreliable Commodity Hardware"eXtremeDBPouchDB
DB-Engines blog posts

Couchbase climbs up the DB-Engines Ranking, increasing its popularity by 10% every month
2 June 2014, Matthias Gelbmann

show all

New kids on the block: database management systems implemented in JavaScript
1 December 2014, Matthias Gelbmann

show all

Recent citations in the news

IBM Adds Kubernetes Operator for CouchDB
26 September 2019, Datanami

IBM Adds Support and Kubernetes Operator for Apache CouchDB to Sync Data Across Multi-Cloud Environments
30 September 2019, Database Trends and Applications

IBM Announces Kubernetes Operator for Apache CouchDB to Enhance Adoption of Hybrid Cloud
27 September 2019, Toolbox

IBM Taps Red Hat for Additional Kubernetes Expertise
27 September 2019, Container Journal

news digest: GitHub introduces CodeSearchNet challenge, CodeStream 3.0 released, and Rust 1.38 - SD Times
27 September 2019, SDTimes.com

provided by Google News

McObject's eXtremeDB for HPC is Now Available on AWS
15 October 2019, HPCwire

eXtremeDB shortlisted for two Data Management Insight Awards
9 October 2019, Embedded Computing Design

eXtremeDB shortlisted in 4 different best DBMS categories in 1 week
8 October 2019, IoT For All

People Moves: AlgoDynamix, Tourmaline , Asset Control, SIX
27 September 2019, www.waterstechnology.com

Unique Active Replication Fabric feature announced by McObject for its eXtremeDB IoT SDK bundle
13 May 2019, GlobeNewswire

provided by Google News

Auth0 partners with London-based YLD, hires new C-level staff
25 September 2019, Contxto

Getting Started with PouchDB Client-Side JavaScript Database
7 September 2016, SitePoint

Synchronizing Offline App Data with PouchDB
25 September 2015, SitePoint

Create Offline Web Apps Using Service Workers & PouchDB
7 March 2017, SitePoint

Top Local Databases for React Native App Development {A 2020 List}
15 October 2019, Appinventiv

provided by Google News

Job opportunities

PHP Web Application Developer
Old Dominion University, Norfolk, VA

Junior/Entry Level Java Engineer - San Mateo, CA
Guidewire Software, Inc., San Mateo, CA

COMPUTER SPECIALIST (SOFTWARE)
New York City NYC EMPLOYEES RETIREMENT SYS, Brooklyn, NY

Engineer II - Data Scientist
HRL Laboratories, LLC, Malibu, CA

Data Warehouse - Technology Specialist I
Mount Sinai, New York, NY

Web Application Software Engineer
Booz Allen Hamilton, Laurel, MD

User Experience Designer
Booz Allen Hamilton, Fort Belvoir, VA

Backend lead
Larsen & Toubro Infotech Limited, Denver, CO

Senior Software Engineer
PHIflow, LLC, New York, NY

Web UI Software Engineer, Mid
Booz Allen Hamilton, Laurel, MD

jobs by Indeed




Share this page

Featured Products

Couchbase logo

SQL + JSON + NoSQL.
Power, flexibility & scale.
All open source.
Get started now.

Neo4j logo

Get your free copy of the new O'Reilly book Graph Algorithms with 20+ examples for
machine learning, graph analytics and more.

Redis logo

Hosted, serverless DBaaS
in 3 steps.

30MB Free!
Start now.

RavenDB logo

Setup a fully managed RavenDB Cloud Database in minutes. Enjoy hosting, management, backups all in one place.
Grab a Free Instance


Datastax logo

Build data-driven applications that set the standard for performance, availability,
& scale with DataStax.
Learn more.

Present your product here