Step 2 - Review the InvoiceAndBills table on the DynamoDB console

In the DynamoDB console, open the InvoiceAndBills table and choose the Items menu option. From the dropdown menu, choose InvoiceAndBills GSI_1 and then Scan the table.

In the output, choose PK to sort the data in reverse. Notice the different entity types in the same table.

Adjacency Lists

In the following steps you will query the table and retrieve different entity types. Optionally consider performing the queries in the AWS console right after you query them with the Python scripts for extra insight.