English
Deutsch
Knowledge Base of Relational and NoSQL Database Management Systemsprovided by solid IT

DBMS > CouchDB vs. DB2

System Properties Comparison CouchDB vs. DB2

Please select another system to include it in the comparison.

Editorial information provided by DB-Engines
NameCouchDB stands for "Cluster Of Unreliable Commodity Hardware"  Xexclude from comparisonDB2  Xexclude from comparison
Description A short sentence describing the systemA document store inspired by Lotus NotesCommon in IBM host environments, 2 different versions for host and Windows/Linux
DB-Engines Ranking measures the popularity of database management systems
Trend Chart
Rank21
Score25.97
Rank6
Score197.03
Websitecouchdb.apache.orgibm.com/­software/­data/­db2
Technical documentationwiki.apache.org/­couchdbwww.ibm.com/­support/­entry/­portal/­documentation/­software/­information_management
DeveloperApache Software Foundation Apache top-level project, originally developed by Damien Katz, a former Lotus Notes developerIBM
Initial release20051983 host version
LicenseOpen Source Apache version 2commercial free version is available
Implementation languageErlangC and C++
Server operating systemsAndroid
BSD
Linux
OS X
Solaris
Windows
Linux
Unix
Windows
z/OS
Database modelDocument storeRelational DBMS Since Version 10.5 support for JSON/BSON documents compatible with MongoDB
Data schemeschema-freeyes
Typing predefined data types such as float or datenoyes
Secondary indexesyes via viewsyes
SQLnoyes
APIs and other access methodsRESTful HTTP/JSON APIJSON style queries MongoDB compatible
XQuery
ADO.NET
JDBC
ODBC
Supported programming languagesC
C#
ColdFusion
Erlang
Haskell
Java
JavaScript
Lisp
Lua
Objective-C
OCaml
Perl
PHP
PL/SQL
Python
Ruby
Smalltalk
C
C#
C++
Cobol
Fortran
Java
Perl
PHP
Python
Ruby
Visual Basic
Server-side scripts Stored proceduresView functions in JavaScriptyes
Triggersyesyes
Partitioning methods Methods for storing different data on different nodesSharding with a proxy-based framework, named couchdb-loungeSharding only with Windows/Unix/Linux Version
Replication methods Methods for redundantly storing data on multiple nodesMaster-master replication
Master-slave replication
yes with separate tools (MQ, InfoSphere)
MapReduceyesno
Consistency concepts Methods to ensure consistency in a distributed systemEventual Consistency
Foreign keys Referential integritynoyes
Transaction concepts Support to ensure data integrity after non-atomic manipulations of datano atomic operations within a single document possibleACID
Concurrency Support for concurrent manipulation of datayes strategy: optimistic lockingyes
Durability Support for making data persistentyesyes
User concepts Access controlAccess rights for users can be defined per databasefine grained access rights according to SQL-standard
We invite representatives of the system vendors to contact us
for updating and extending the system information.
More Resources
CouchDB stands for "Cluster Of Unreliable Commodity Hardware"DB2
Conferences and Events

IDUG DB2 Tech Conference EMEA 2014
Prague, Czech Republic, 9-14 November 2014

Recent citations in the news

A3Cube Forges Fortissimo Storage From PCI Express Fabric
17 September 2014, EnterpriseTech

This Man Wants to Turn Data Into Free Food (And So Much More)
20 August 2014, Wired

Tesora Brings Database Service to OpenStack Cloud
16 September 2014, Virtualization Review (blog)

Tesora Broadens Developer Options with OpenStack Database Service
17 September 2014, ADT Magazine

PostgreSQL ramps up its NoSQL game
21 August 2014, InfoWorld

provided by Google News

Database Deficiencies Not Only a Hardware Solution
9 September 2014, IT Jungle

IBM i Modernization Gets A Fresche-look
16 September 2014, IT Jungle

Integrating Big Data into the Enterprise Data Warehouse
15 September 2014, Database Journal

Helping Utilities Keep Apps and Data Current at Distributed Sites
17 September 2014, Intelligent Utility

IBM And Yonyou Announce Strategic Collaboration To Accelerate Big Data And ...
15 September 2014, MarketWatch

provided by Google News

Job opportunities

Lead Java Developer
Widenet Consulting, Seattle

Linux Administrator
Equity Staffing, Minneapolis

Ruby-on-Rails / Java / SOA / Database (2 Positions)
Orb IT People, Washington

PHP Software Developer
VP Total Solutions, Fenton

Java Script
Hsssoft, Atlanta

UDB/DB2 DBA
Kforce Inc., New York City

Application DBA(DB2)
Bcforward, Roseville

DB2 LUW DBA or SQL DBA - Urgent Request
Beacon Hill Staffing Group, Columbus

DB2 Database Administrator (Remote or Cleveland)
Crossview, Cleveland

DB2 Database Administrator TRICARE
MetLife, Raleigh




Share this page

Find us on these platforms

Follow DB-Engines on Twitter DB-Engines on Google+ Find us on Facebook

Featured Products

DataStax is the fastest, most scalable distributed database technology, delivering Apache Cassandra to the Enterprise. Download for Free.

MongoDB is the leading NoSQL database, empowering businesses to be more agile and scalable.

The leading Semantic Graph Database - Combine Geospatial, Temporal, and SNA into a single "Golden" query. Free Download.

Neo4j 2.1 Release - Graph ETL for everyone! Adds LOAD CSV, Dense node support & new Cypher functionality. Learn More and Download for Free

Present your product here