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Chapter 7. Working with Relationships > Relationships as Queries

Relationships as Queries

We want to introduce you to the idea of a relationship as a kind of query. Consider a database that stores information about customers and their invoices. On a layout specific to the Customer entity, you can add a portal of invoice information. Figure 7.1 shows that layout.

Figure 7.1. Using a portal to look for a particular customer's invoices.



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