ER Model and Business Rules Questions

• A subtype entity name should be which of the following?
• A supertype/subtype hierarchy has which of the following features?
• Which of the following is not one of the three ways to classify an action assertion?
• 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?
• An action assertion must include which of the following?
• An oval represents which of the following in an EER?
• 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.
• There is cardinality on an EER between the supertype and subtype.
• A supertype is an entity type that shares common attributes or relationships distinct from other subgroupings.
• Total specialization is represented by double lines between the supertype and subtype on an EER.
• If an entity adheres to the disjoint rule, then an entity instance can be a member of more than one entity for a given supertype.