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Chapter 6. Working with Multiple Tables > Working with Keys and Match Fields

Working with Keys and Match Fields

You should remember from Chapter 5 that keys are table fields—fields that are essential elements in forming the relational structure of a multi-table system. FileMaker takes a somewhat broader view of keys, as you'll see, and for that reason these fields are referred to as match fields when you're working in a FileMaker context. A match field in FileMaker is any field that participates in a relationship between two FileMaker tables. Primary keys and foreign keys fit this definition, of course, but so do a number of other types of fields that are explored more in the next chapter.

→ For more on the broader uses of match fields in FileMaker Pro, seeRelationships as Queries,” p. 180, as well as other sections of Chapter 7.



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