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General Knowledge
Verbal Reasoning
Computer Science
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ER Model and Business Rules
An oval represents which of the following in an EER?
Attribute
Entity
Optional One
Relationship
Correct Answer:
Attribute
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More Questions from
ER Model and Business Rules
Which one of the following symbols is not used in an ERD?
A supertype/subtype hierarchy is which of the following?
A subtype discriminator is which of the following?
Use of a supertype/subtype relationship is necessary when which of the following exists?
Inheritance is which of the following?
When an entity instance must be a member of only one subtype, it is which of the following?
A rectangle represents which of the following in an EER?
Specialization is which of the following processes?
Which of the following statements concerning business rules is true?
Overlapping and disjoint subtypes have different approaches on how the subtype discriminator is applied.
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