Difference between Amazon DynamoDB and Amazon Redshift

1. Amazon DynamoDB : Amazon DynamoDB is a fully-managed database and supports both document and key-value data models. Features are as follows – fast and flexible NoSQL database service for all applications that need consistent, single-digit millisecond latency at any scale. It is hosted, scalable database service by Amazon with data stored in Amazon cloud. 2. Amazon Redshift : Amazon Redshift is an efficient solution to collect and store all your data and enables you to analyze it. It is large scale data warehouse service for use with business intelligence tools. Feature of Amazon Redshift – fast, simple, cost-effective data warehousing service. It forms part of larger cloud-computing platform Amazon Web Services.
Difference between Amazon DynamoDB and Amazon Redshift :

S.No.	Amazon DynamoDB	Amazon Redshift
1.	It was developed by Amazon in 2012.	It was developed by Amazon in 2012.
2.	It is hosted, scalable database 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 SQL query language.	It supports SQL query language. But it does not fully support an SQL-standard.
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 models are Document store and Key-value store.	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.	Eventual Consistency and Immediate Consistency are used to ensure consistency in distributed system.	Immediate Consistency is used to ensure consistency in distributed system.
8.	It does not offers API for user-defined Map/Reduce methods. But maybe implemented via Amazon Elastic MapReduce.	It does not offer API for user-defined Map/Reduce methods.
9.	It supports secondary indexes.	It supports restricted secondary indexes.