Now we have seen all the core and important parts of DynamoDB. Now you must know what DynamoDB is, what the data model for it is, how DynamoDB actually works, what the best practices are, how to impose security, access controls on tables, and so on. In the previous chapter, we talked about integrating DynamoDB with various AWS components, such as S3, Redshift, EMR, and so on. Now I am sure you must have started thinking in terms of how to build an application using DynamoDB and what steps are involved in it. So in this chapter, we are going to see a couple of use cases that should give you an idea of what it takes to use DynamoDB as your application database.

In this chapter, we will consider the following two use cases: