Like any other database, modeling relationships is quite interesting even though DynamoDB is a NoSQL database. Now that we have learned about the DynamoDB's data model, we can start looking at how to use them in your application. Most of the time, people get confused on how to model the relationships between various tables. In this section, we are trying to make an effort to simplify this problem.
Let's try to understand the relationships better using our example of the bookstore, where we have entities, such as book, author, publisher, and so on.
In this type of relationship, a one-entity record of a table is related to only a one-entity record of the other table. In our bookstore application, we have the