1.阿里云MaxCompute：
MaxCompute，前身是ODPS，是一个通用的、全托管的、多租户的数据处理平台，用于大规模数据仓库。它用于存储和计算批量结构化数据。这提供了非常广泛的数据仓库解决方案。它还提供大数据分析和建模服务。
2. 亚马逊简单数据库：
它是亚马逊托管的简单数据库服务，数据存储在亚马逊云中。 Amazon 是一项网络服务，用于实时对结构化数据运行查询。这个数据库是由 Amazon.com 用 Erlang 编写的。它具有以下特点——高可用性和灵活性，很少或没有管理负担。
阿里云 MaxCompute 和 Amazon SimpleDB 的区别：
| S.NO. | Alibaba Cloud MaxCompute | Amazon SimpleDB |
|---|---|---|
| 1. | Developed By Alibaba in 2016. | Developed By Amazon in 2007. |
| 2. | It is a general-purpose, fully managed, multi-tenancy data processing platform for large-scale data warehousing. | It is a hosted simple database service by Amazon, with the data stored in the Amazon Cloud. |
| 3. | It does not support secondary indexes. | It supports secondary indexes. |
| 4. | It supports predefined data types such as float or date. | It does not support predefined data types such as float or date. |
| 5. | Its primary database model is Relational DBMS. | Its primary database model is the Key-value store. |
| 6. | It supports user-defined functions based on Server-side scripting. | It does not support the Server-side scripting. |
| 7. | There is only one partitioning method – Sharding. | It does not support partitioning methods. |
| 8. | It supports SQL-like query language. | It does not support the SQL query language. |
| 9. | Immediate Consistency is used to ensure consistency in a distributed system. | Eventual Consistency and Immediate Consistency are used to ensure consistency in a distributed system. |
| 10. | The programming language supported is Java. | The programming languages supported are .Net, C, C++, Erlang, Java, PHP, Python, Ruby, and Scala. |
| 11. | It offers an API for user-defined Map/Reduce methods. | It does not offer an API for user-defined Map/Reduce methods. |