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Database Modeling with Microsoft® Visio for Enterprise Architects
book

Database Modeling with Microsoft® Visio for Enterprise Architects

by Terry Halpin, Ken Evans, Pat Hallock, Bill Maclean
September 2003
Intermediate to advanced content levelIntermediate to advanced
425 pages
16h 30m
English
Morgan Kaufmann
Content preview from Database Modeling with Microsoft® Visio for Enterprise Architects
Fact Types pane of the Business Rules window. If you don’t see the Business Rules
window, choose Database > View > Business Rules from the main menu.
7. Drag the new fact types (they both contain the word “Patient_Drug_Allergy)
onto the drawing surface. The result is shown in Figure 16–5.
The new object type Patient_Drug_Allergy corresponds to the table you created in step
three. The object type uses an external primary reference constraint, which is explained
in section 5.2 of Chapter 5. Figure 16–5 and Figure 16–3 are conceptually equivalent,
but Figure 16–3 is a more natural expression of the facts, and easier to interpret. You
can make Figure 16–5 ...
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Publisher Resources

ISBN: 9781558609198