7. Working with Relationships

Relationships Graphs and ERDs

Chapter 5, “Relational Database Design,” outlined some database theory that helps produce an ERD—an entity-relationship diagram that shows the fundamental building blocks of a database system and the ways in which they relate. In Chapter 6, “Working with Multiple Tables,” you saw how to use FileMaker’s relationship tools to turn an ERD into a working FileMaker database. This might mislead you into thinking that the Relationships Graph is really the same thing as an ERD, and that the relationships you build there match one-to-one with the relationships you sketch out on your ERD.

In fact, there’s a lot more to relationships in FileMaker. The Relationships Graph certainly handles all the ...

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