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DBMS > CouchDB vs. EXASOL vs. PouchDB

System Properties Comparison CouchDB vs. EXASOL vs. PouchDB

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Editorial information provided by DB-Engines
NameCouchDB infostands for "Cluster Of Unreliable Commodity Hardware"  Xexclude from comparisonEXASOL  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.High-performance, in-memory, MPP database specifically designed for in-memory analytics.JavaScript DBMS with an API inspired by CouchDB
Primary database modelDocument storeRelational DBMSDocument store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score18.04
Rank#34  Overall
#5  Document stores
Score2.91
Rank#85  Overall
#44  Relational DBMS
Score2.75
Rank#88  Overall
#15  Document stores
Websitecouchdb.apache.orgwww.exasol.com/­en/­productspouchdb.com
Technical documentationdocs.couchdb.org/­en/­stablewww.exasol.com/­en/­community/­resourcespouchdb.com/­guides
DeveloperApache Software Foundation infoApache top-level project, originally developed by Damien Katz, a former Lotus Notes developerExasolApache Software Foundation
Initial release200520002012
Current release2.3.1, March 20197.1.1, 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

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Implementation languageErlangJavaScript
Server operating systemsAndroid
BSD
Linux
OS X
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.nonono
Secondary indexesyes infovia viewsyesyes infovia views
SQL infoSupport of SQLnoyesno
APIs and other access methodsRESTful HTTP/JSON API.Net
WebSocket
JDBC
ODBC
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
Java
Lua
Python
R
JavaScript
Server-side scripts infoStored proceduresView functions in JavaScriptuser defined functionsView functions in JavaScript
Triggersyesyesyes
Partitioning methods infoMethods for storing different data on different nodesSharding infoimproved architecture with release 2.0ShardingSharding 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 infoalso with CouchDB databases
Master-slave replication infoalso with CouchDB databases
MapReduce infoOffers an API for user-defined Map/Reduce methodsyesyes infoHadoop integrationyes
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
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 databaseAccess rights for users, groups and roles according to SQL-standardno

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More resources
CouchDB infostands for "Cluster Of Unreliable Commodity Hardware"EXASOLPouchDB
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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 brings blockchain to Red Hat OpenShift
27 September 2019, Corporate IT

How to create your first CouchDB database with Fauxton
8 May 2019, TechRepublic

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Exasol Survey: Nearly Two Thirds of Analytics Projects Are Jeopardized Due to Poor Access to the Right Data
12 October 2019, insideBIGDATA

Exasol Helps Grant Street Group Provide Next-Generation Government Software
2 October 2019, Yahoo Finance

Exasol Powers Data Democratization for the Global Goals Agreed by World Leaders
25 September 2019, Business Wire

Global In-memory OLAP Database Market 2019 Top Trends by – Altibase, IBM, Microsoft, Oracle, SAP SE, Exasol, Jedox, Kognitio
9 October 2019, The Daily Industry News

Exasol CEO On Competing With The Tech Industry's Legacy Giants
16 August 2019, Chief Executive Group

provided by Google News

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

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

Cross Platform Storage and Sync with Ionic Framework, Couchbase, and PouchDB
13 November 2015, DZone News

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