Assume that data are maintained on airports around the country for a company that offers a flight
Question:
a. What does the cardinality ratio and participation constraint suggest about some airport runways in the Consists_of relationship?
b. How might the Presentation Layer ER diagram be revised to make the relationship between an airport runway and runway surface more efficient?
Fantastic news! We've Found the answer you've been seeking!
Step by Step Answer:
Related Book For
Data Modeling and Database Design
ISBN: 978-1285085258
2nd edition
Authors: Narayan S. Umanath, Richard W. Scammel
Question Posted: