Use the instance diagram depicting the ternary relationship Orders shown on the next page to answer the
Question:
a. Which customers order pens from the Galveston warehouse?
b. Which items are ordered by customers from both warehouses?
c. Which warehouse fills one or more orders of items from both customers?
d. Describe orders filled from both warehouses.
e. What changes must be made to the instance diagram for order r1 to involve both pencils and pens?
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a No customers order pens from the Galveston warehouse as the Galveston warehouse doe...View the full answer
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Related Book For
Data Modeling and Database Design
ISBN: 978-1285085258
2nd edition
Authors: Narayan S. Umanath, Richard W. Scammel
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