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Difference between CouchDB and IBM Db2

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  • Last Updated : 26 Jun, 2020
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1. CouchDB :
CouchDB is an open-source document-oriented NoSQL database that uses multiple formats and protocols to store, transfer, and process its data, it uses JSON to store data, JavaScript as its query language using MapReduce, and HTTP for an API. It was developed by Apache Software Foundation and initially released in 2005. It is written in Erlang.

2. IBM Db2 :
IBM Db2 is a family of data management products, including database servers, developed by IBM. It is a Relational Database Management System (RDBMS) which supports object-oriented features and non relational structure with XML. Db2 is designed to store, analyze and retrieve the data efficiently. It was initially released in 1983 and is written in C, C++, Java and Assembly language.

Difference between CouchDB and IBM Db2 :

1It is developed by Apache Software Foundation in 2005.It is developed by IBM in 1983.
2CouchDB server operating systems are Android, BSD, Linux, OS X, Solaris and Windows.Db2 server operating systems are AIX, HP-UX, Linux, Solaris, Windows and z/OS.
3The primary database model for CouchDB is Document Store.The primary database model for IBM Db2 is Relational DBMS.
4It is written in Erlang language.It is written in C, C++, Assembly language, Java languages.
5It is free of data schema.It has fixed data schema.
6It do not provides ACID transactions.It provides ACID transactions.
7It does not have the concept of Foreign keys.It has the concept of Referential Integrity and Foreign keys.
8It does not supports Secondary indexes.It supports the secondary indexes without any restrictions.

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