1.阿里云TSDB：
阿里云TSDB是稳定、可靠、高性价比的在线高性能时序数据库服务。它是一种经济高效的时序数据库，提供高效的数据读写能力、高压缩比存储、时序数据插值和聚合。
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 Amazon Web Services 的一部分。
阿里云 TSDB 和 Amazon Redshift 的区别：
| S.NO. | Alibaba Cloud TSDB | Amazon Redshift |
|---|---|---|
| 1. | It was developed by Alibaba. | It was developed by Amazon in 2012. |
| 2. | It is stable, reliable, and cost-effective online high-performance time-series database service. | It is 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 does not provide concept of Referential Integrity. Hence, no Foreign Keys. | It provides concept of Referential Integrity. Hence, there are Foreign Keys. |
| 5. | Its primary database model is Time Series DBMS. | Its primary database model is Relational DBMS. |
| 6. | It does not support Server-side scripting. | It supports user-defined functions for Server-side scripting in python. |
| 7. | It does not support ACID property. | It supports ACID property. |
| 8. | It does not support SQL query language. | It supports SQL query language. But it does not fully support SQL-standard. |
| 9. | It does not support replication methods. | It supports replication methods. |
| 10. | It does not support secondary indexes. | It supports restricted secondary indexes. |