In this exercise, you used the DynamoDB console to create several tables in DynamoDB. You then used the AWS CLI to load data into the tables, and performed some basic operations on the data using the DynamoDB console.
The DynamoDB console and the AWS CLI are helpful for getting started quickly. However, you probably want to learn more about how DynamoDB works, and how to write application programs with DynamoDB. The rest of this Developer Guide addresses those topics.