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Advanced Operations - Index
In the previous section, you learned how to access a customer database to get personal and contact information about the company's customers.
The billing department of the sample company exposes the billing information using an internal web service that exposes all the open bills for each customer: amount due, due date, etc. In this section you will combine the unified customer view that you have built with this billing information so you can have a report that lists the total amount that is due for each of your customers.
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