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DBMS > Couchbase vs. eXtremeDB vs. PouchDB

System Properties Comparison Couchbase vs. eXtremeDB vs. PouchDB

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Editorial information provided by DB-Engines
NameCouchbase infoOriginally called Membase  Xexclude from comparisoneXtremeDB  Xexclude from comparisonPouchDB  Xexclude from comparison
DescriptionJSON-based document store derived from CouchDB with a Memcached-compatible interfaceNatively 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
Secondary database modelsKey-value store infooriginating from the former Membase product and supporting the Memcached protocol
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score32.21
Rank#23  Overall
#3  Document stores
Score0.38
Rank#221  Overall
#105  Relational DBMS
#12  Time Series DBMS
Score2.75
Rank#88  Overall
#16  Document stores
Websitewww.couchbase.comwww.mcobject.com/­extremedbfamilypouchdb.com
Technical documentationdocs.couchbase.comwww.mcobject.com/­docs/­eXtremeDB.htmpouchdb.com/­guides
DeveloperCouchbase, Inc.McObjectApache Software Foundation
Initial release201120012012
Current releaseServer: 6.0, October 2018; Mobile: 2.5, May 2019; Couchbase Autonomous Operator: 1.2, May 20198.0, May 20187.1.1, June 2019
License infoCommercial or Open SourceOpen Source infoApache version 2; Commercial licenses also availablecommercialOpen Source
Cloud-based only infoOnly available as a cloud servicenonono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageC, C++, Go and ErlangC and C++JavaScript
Server operating systemsLinux
OS X
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 dateyes infoString, Boolean, Numberyesno
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 infosupport of XML interfaces availableno
Secondary indexesyesyesyes infovia views
SQL infoSupport of SQLDeclarative query language (N1QL) that extends ANSI SQL to JSON. First commercial implementation of SQL++.yes infowith the option: eXtremeSQLno
APIs and other access methodsNative language bindings for CRUD, Query, Search and Analytics APIs.NET Client API
JDBC
JNI
ODBC
proprietary protocol
HTTP REST infoonly for PouchDB Server
JavaScript API
Supported programming languages.Net
C
Clojure
ColdFusion
Erlang
Go
Java
JavaScript infoNode.js
Perl
PHP
Python
Ruby
Scala
Tcl
.Net
C
C#
C++
Java
Lua
Python
JavaScript
Server-side scripts infoStored proceduresFunctions and timers in JavaScriptyesView functions in JavaScript
Triggersyes infovia the TAP protocolyes infoby defining eventsyes
Partitioning methods infoMethods for storing different data on different nodesShardinghorizontal partitioning / shardingSharding infowith a proxy-based framework, named couchdb-lounge
Replication methods infoMethods for redundantly storing data on multiple nodesMaster-master replication infoincluding cross data center 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 Consistency
Immediate Consistency infoselectable on a per-operation basis
Immediate ConsistencyEventual Consistency
Foreign keys infoReferential integritynoyesno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataSingle-document ACID transactionsACIDno
Concurrency infoSupport for concurrent manipulation of datayesyes 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.yes infoEphemeral bucketsyesyes
User concepts infoAccess controlUser and Administrator separation with password-based and LDAP integrated Authenticationno
More information provided by the system vendor
Couchbase infoOriginally called MembaseeXtremeDBPouchDB
Specific characteristicsDeveloped as an alternative to traditionally inflexible relational databases, Couchbase...
» more
eXtremeDB is an in-memory and/or persistent database system that offers an ultra-small...
» more
Competitive advantagesCouchbase was architected with several differentiated capabilities: Shared-nothing,...
» more
eXtremeDB databases can be modeled relationally or as objects and can utilize SQL...
» more
Typical application scenariosCustomer 360 for user profile, session store and data aggregation (Comcast, Equifax,...
» more
IoT application across all markets: Industrial Control, Netcom, Telecom, Defense,...
» more
Key customersAmadeus, AT&T, BD (Becton, Dickinson and Company), Carrefour, Cisco, Comcast, Disney,...
» more
Schneider Electronics, F5 Networks, TNS, Boeing, Northrop Grumman, GoPro, ViaSat,...
» more
Market metricsNamed a leader in the Forrester Wave™: Big Data NoSQL, Q1 2019 Over 10M downloads...
» more
With hundreds of customers and over 28 million devices/applications using the product...
» more
Licensing and pricing modelsThe Community Edition (CE) of Couchbase Server and Couchbase Mobile are available...
» more
For server use cases, there is a simple per-server license irrespective of the number...
» more

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More resources
Couchbase infoOriginally called MembaseeXtremeDBPouchDB
DB-Engines blog posts

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

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Recent citations in the news

Couchbase Marks Strong First Half with Record Growth
23 October 2019, Yahoo Finance

Couchbase Server 6.5 improves NoSQL database queries
8 October 2019, TechTarget

Couchbase reveals its latest SQL release
2 October 2019, DevOps Online

Couchbase to Sponsor and Exhibit at Red Hat Forums across Europe and Australia
15 October 2019, Yahoo Finance

68 Percent of Digital Architects Say Getting the Right Technology in Place for Transformation an “Insurmountable” Task, Couchbase Research Finds
15 October 2019, GlobeNewswire

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
26 September 2019, Yahoo Finance

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

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25 September 2015, SitePoint

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

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15 October 2019, Appinventiv

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