Difference between CouchDB and MariaDB

1. CouchDB :
Apache 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. MariaDB :
MariaDB is an open source relational database management system (RDBMS) that is a compatible drop-in replacement for the widely used MySQL database technology. It is developed by MariaDB Foundation and initially released on 29 October 2009. MariaDB has a significantly high number of new features, which makes it better in terms of performance and user-orientation.



Difference Between CouchDB and MariaDB :

S.NO. CouchDB MariaDB
1. Developed by Apache Software Foundation and initially released in 2005. Developed by MariaDB Foundation and initially released on 29 October 2009.
2. CouchDB is written in Erlang. MariaDB is written in C, C++, Perl and Bash languages.
3. The primary database model for CouchDB is Document Store. The primary database model for MariaDB is Relational DBMS.
4. In CouchDB there is no predefined datatypes. MariaDB have predefined datatypes such as float, date, number, etc.
5. CouchDB does not supports XML data format. MariaDB supports XML data format.
6. CouchDB is Data Schema free. In MariaDB Data Schema supports Dynamic columns.
7. CouchDB supports Map Reduce method. MariaDB does not supports Map Reduce method.
8. CouchDB does not provides the concept of Referential Integrity. Hence, no Foreign Keys. MariaDB provides the concept of Referential Integrity and have Foreign keys.
9. CouchDB provides Eventual Consistency method to ensure consistency in a distributed system. MariaDB provides Immediate Consistency method to ensure consistency in a distributed system.
10. CouchDB does not supports ACID transactions. MariaDB provides ACID transactions.
10. Server operating systems for CouchDB are Android, BSD, Linux, OS X, Solaris and Windows Server operating systems for MariaDB are FreeBSD, Linux, Solaris, Windows.
12. Famous companies like Akamai Technologies, Hothead Games, Inc., GenCorp Technologies, Vivint Solar, etc uses CouchDB. Famous companies like CUNY, Accenture, Docplanner, Grooveshark, Northrop Grumman, uses MariaDB.

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