Performing data modeling and table creation

In this recipe, we will see how to model data for this Android application and create DynamoDB tables accordingly.

Getting ready

To get started with this recipe, you need to know how to create a table in DynamoDB using the console.

How to do it…

To perform data modeling for any Android application using the NoSQL database as a backend, we need to first start with the queries, which we would like to execute on the tables. Considering the requirements, we will need at least two tables:

  • User: This is a table used to store information of a valid user's details along with the credentials
  • Contact: This is a table used to store information of all the contacts added by users

As we will be using the User table to save ...

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