1. 亚马逊云搜索：
它是一种可扩展的基于云的搜索服务，是 Amazon Web Services 的一部分。它由亚马逊托管搜索引擎服务，数据存储在亚马逊云中。该数据库支持 34 种语言，其特点是突出显示、自动完成和地理空间搜索。
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。这是
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。
Amazon CloudSearch 和 Amazon Redshift 之间的区别：
| S.No. | Amazon CloudSearch | Amazon Redshift |
|---|---|---|
| 1. | It is developed By Amazon in 2012. | It is developed By Amazon in 2012. |
| 2. | It is hosted search engine service by Amazon with data stored in Amazon cloud. | It is large scale data warehouse service for use with business intelligence tools. |
| 3. | It does not support ACID property. | It supports ACID property. |
| 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 Search engine. | 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 supports automatic partitioning methods. | It supports partitioning methods with Sharding. |
| 8. | It does not support SQL query language. | It supports SQL query language. But it does not fully support SQL-standard. |
| 9. | It supports replication methods that are managed transparently by AWS. | It supports replication methods. |
| 10. | It supports secondary indexes. | It supports restricted secondary indexes. |