1. MS SQL :
MS SQL 是微软公司于 1989 年开发的关系型数据库管理系统，是高度可扩展、安全的数据存储平台。它提供具有高性能和安全性的智能分析功能。 MS SQL Server 的核心组件是 SQL Server 数据库引擎，它控制数据及其处理。它支持 ACID 属性并保证可靠地处理事务。
2. 亚马逊动态数据库：
Amazon DynamoDB 是一个具有高可扩展性的文档数据库。它是由亚马逊在 2012 年提供的。它有一个主数据库模型作为文档存储和键值存储。它有商业许可证。它使用事务并遵循 ACID 属性。有备份设施，安全性高。 Amazon DynamoDB 是一个持久且强大的数据库。它可以在一天内处理大量请求，并且得到全面管理。
MS SQL 和 Amazon DynamoDB 的区别：
| S.NO. | MS SQL | Amazon DynamoDB | |||
|---|---|---|---|---|---|
| 1. | MS SQL is a relational database model. | Amazon DynamoDB is a scalable database which has data stored on Amazon cloud. | |||
| 2. | The primary database model is a relational DBMS. | 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 Microsoft in 1989. | It was developed by Amazon in 2012. | |||
| 5. | It supports operating systems like Windows and LINUX. | It supports hosted operating systems. | |||
| 6. | It supports SQL. | It doesn’t support SQL. | |||
| 7. | It is implemented in C++. | It does not have 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 MS SQL in terms of ranking. | 10. | It has Server-side scripts. | It doesn’t have Server-side scripts. |