1.玛丽亚DB：
Maria DB是MySQL的增强版本，由MySQL的原始开发人员开发以增强功能。 Maria DB是一个开源软件。由于它的速度和强大的特性，它已在世界范围内使用。它由Maria DB企业于2009年开发。它是安全的，并且还具有内置数据库防火墙。它是一个具有SQL接口的关系数据库，我们可以从该接口访问数据。
2. Amazon DynamoDB：
Amazon DynamoDB是具有高度可扩展性的文档数据库。它是由Amazon在2012年提供的。它具有主数据库模型，如文档存储和键值存储。它具有商业许可证。它使用事务并遵循ACID属性。具有备份功能，安全性高。 Amazon DynamoDB是一个持久而强大的数据库。它一天可以处理大量请求，并且得到了全面管理。
MariaDB和Amazon DynamoDB之间的区别：
| S.NO. | MariaDB | Amazon DynamoDB | |||
|---|---|---|---|---|---|
| 1. | MariaDB is a community developed software and is an enhanced version of MYSQL. | Amazon DynamoDB is a scalable database which has data stored on Amazon cloud. | |||
| 2. | The primary database model is a relational database. | Primary database model is document store and key value store in Amazon DynamoDB. | |||
| 3. | It has immediate Consistency. | It has eventual and immediate Consistency. | |||
| 4. | It was developed by MariaDB Corporation Ab and MariaDB Foundation in 2009. | It was developed by Amazon in 2012. | |||
| 5. | It supports operating systems like Linux, Solaris, Windows. | It supports hosted operating systems. | |||
| 6. | It is a open source software. | It is a commercial software. | |||
| 7. | It is implemented in C and C++. | It does not have C and C++ as its implementation language. | |||
| 8. | It is not based on cloud. | It is based on cloud. | |||
| 9. | It is considered better than Amazon DynamoDB in terms of ranking. | It is considered less than MariaDB in terms of ranking. | 10. | It has Server-side scripts. | It doesn’t have Server-side scripts. |