Q: Why must the minimum cardinality next to SUPPLIES from PURCHASED PART be
Why must the minimum cardinality next to SUPPLIES from PURCHASED PART be one yet the minimum cardinality next to SUPPLIES from SUPPLIER may be zero?
See AnswerQ: When is a member of a supertype always a member of at
When is a member of a supertype always a member of at least one subtype?
See AnswerQ: Match the following terms and definitions: - supertype -
Match the following terms and definitions: - supertype - entity cluster - subtype - specialization - subtype discriminator - attribute inheritance - generalization a. subset of supertype b. creating a...
See AnswerQ: Contrast the following terms: a. supertype; subtype
Contrast the following terms: a. supertype; subtype b. generalization; specialization c. disjoint rule; overlap rule d. total specialization rule; partial specialization rule e. PARTY; PARTY ROLE f. e...
See AnswerQ: Discuss the notations used to represent EER models. Which notation is
Discuss the notations used to represent EER models. Which notation is the most widely used?
See AnswerQ: Explain how specialization and generalization assist in the development of supertype/
Explain how specialization and generalization assist in the development of supertype/subtype relationships.
See AnswerQ: What is attribute inheritance? Why is it important?
What is attribute inheritance? Why is it important?
See AnswerQ: What is a completeness constraint, and what are the total and
What is a completeness constraint, and what are the total and partial specialization rules?
See AnswerQ: What types of business rules are normally captured in an EER diagram
What types of business rules are normally captured in an EER diagram?
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