Suppose you are working within the framework of the conceptual model in Figure Q4.5. a. Write the
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Suppose you are working within the framework of the conceptual model in Figure Q4.5.
a. Write the business rules that are reflected in it.
b. Identify all of the cardinalities.
Transcribed Image Text:
CUSTOMER CAR kowns gets MAINTENANCE MAINT_LINE PART is written in %23 includes %3
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a Even a simple ERD such as the one shown in Figure Q45 is based on many business rules Make sure that each business rule is written on a separate line and that all of its details are spelled out In t...View the full answer
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Related Book For
Database Systems Design Implementation and Management
ISBN: 978-1285196145
11th edition
Authors: Carlos Coronel, Steven Morris
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