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foreign key-relationships

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03-25-2011 05:41 PM
DarrelGordon
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Don't all origin tables have to have a foreign key to make a connection to another table?

In the book: Designing Geodatabases For Transportation by J. Allison Butler on page 18, Figure 2.3, if the Employee Table is the origin table and the Position Table is the destination table, how is it a (1:m) relationship?  Shouldn't it rather be a (m:1) relationship?

What is meant by:  The upper bound in the multiplicity determines the cardinality (pg 20 2nd paragraph)?

DG
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