An action assertion must include which of the following?
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Database · all questionsER Model and Business Rules
ER Model and Business Rules
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An oval represents which of the following in an EER?
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Inheritance is which of the following?
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When an entity instance must be a member of only one subtype, it is which of the following?
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A supertype/subtype hierarchy is which of the following?
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A rectangle represents which of the following in an EER?
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Which one of the following symbols is not used in an ERD?
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Specialization is which of the following processes?
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Which of the following statements concerning business rules is true?
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A supertype/subtype hierarchy has which of the following features?
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A subtype discriminator is which of the following?
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When an entity instance may be a member of multiple subtypes or it does not have to be a member of a subtype, it is which of the following?
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A subtype entity name should be which of the following?
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Use of a supertype/subtype relationship is necessary when which of the following exists?
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Which of the following is not one of the three ways to classify an action assertion?
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Packaged data models are meant to be exactly right straight out of the box.
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An action assertion is a statement that expresses some aspect of the static structure of the organization.
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A supertype can only have only one subtype.
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There is cardinality on an EER between the supertype and subtype.
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A subtype discriminator of the supertype is an attribute whose values determine the target subtype(s).
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