1.阿里云MaxCompute：
MaxCompute(以前称为ODPS)是用于大规模数据仓库的通用，完全管理的多租户数据处理平台。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. Amazon SimpleDB：
它是Amazon托管的简单数据库服务，数据存储在Amazon Cloud中。它是Amazon是一项用于实时在结构化数据上运行查询的Web服务。该数据库由Amazon.com用Erlang编写。它具有以下功能–高可用性和灵活性，几乎没有管理负担。
阿里云MaxCompute和Amazon SimpleDB之间的区别：
| 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. |