1. CouchDB:
Apache CouchDB是面向开源文档的NoSQL数据库,它使用多种格式和协议来存储,传输和处理其数据,它使用JSON来存储数据,使用JavaScript作为其使用MapReduce的查询语言以及使用HTTP作为API。它由Apache Software Foundation开发,最初于2005年发布。它是用Erlang编写的。
2. MariaDB:
MariaDB是一个开源关系数据库管理系统(RDBMS),它是广泛使用的MySQL数据库技术的兼容即插即用替代品。它由MariaDB基金会开发,最初于2009年10月29日发布。MariaDB具有大量新功能,因此在性能和面向用户方面都更好。
CouchDB和MariaDB之间的区别:
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. |