1. 阿里云 AnalyticDB for PostgreSQL ：
AnalyticDB是阿里云上的在线分析处理数据库系统。它提供 PostgreSQL 和 MySQL 版本。 AnalyticDB for PostgreSQL 是基于 Greenplum 开源数据库程序的在线 MPP(大规模并行处理)数据仓库服务，并通过阿里云进行了一些深度扩展。
2.亚马逊红移：
Amazon Redshift 是一种高效的解决方案，用于收集和存储您的所有数据，并使您能够对其进行分析。它是一种与商业智能工具一起使用的大规模数据仓库服务。 Amazon Redshift 的功能 – 快速、简单、经济高效的数据仓库服务。它构成了更大的云计算平台亚马逊网络服务的一部分。
阿里云 AnalyticDB for PostgreSQL 和 Amazon Redshift 的区别：
| S.NO. | Alibaba Cloud AnalyticDB for PostgreSQL | Amazon Redshift |
|---|---|---|
| 1. | Developed By Alibaba, Pivotal Software Inc., and PostgreSQL Global Development Group in 2016. | Developed By Amazon in 2012. |
| 2. | It is a real-time data warehousing service that can process petabytes of data with high concurrency and low latency. | It is a large scale data warehouse service for use with business intelligence tools. |
| 3. | It does not support In-memory capabilities. | It supports In-memory capabilities. |
| 4. | It supports XML Format. | It does not support XML Format. |
| 5. | It supports secondary indexes. | It supports restricted secondary indexes. |
| 6. | It supports Server-side scripting. | It supports user-defined functions for Server-side scripting in python. |
| 7. | The programming languages supported are C, Java, Perl, Python, and R. | It supports all languages supporting JDBC/ODBC. |
| 8. | It supports SQL query language. | It does not fully support an SQL-standard. |
| 9. | It supports replication methods. | It supports replication methods. |