SOLVED

11) The ________ rule specifies that an entity instance of a supertype is allowed not to belong to any subtype. A) semi-specialization B) total specialization C) partial specialization D) disjointedness 12) The following figure is an example of: A) partial specialization. B) disjoint completeness. C) total specialization. D) transunion constraint. 13) The ________ rule specifies that each entity instance of the supertype must be a member of some subtype in the relationship. A) semi-specialization B) total specialization C) partial specialization D) total convergence 14) A(n) ________ constraint is a type of constraint that addresses whether an instance of a supertype must also be an instance of at least one subtype. A) disjoint B) overlap C) completeness D) weak 15) In the figure below, a student: A) must be a graduate student, an undergraduate, a special student or some other type of student. B) must be a graduate student or an undergraduate student. C) must be at least a special student. D) none of the above. 16) The ________ rule specifies that an entity can be a member of only one subtype at a time. A) exclusion B) disjoint C) removal D) inclusion 17) A ________ addresses whether an instance of a supertype may simultaneously be a member of two or more subtypes. A) disjointedness constraint B) disjoint rule C) partial specialization D) total specialization 18) In the figure below, the patient must be either an outpatient or a resident patient. This is an example of the ________ rule. A) disjoint B) specialization C) generalization D) overlap 19) Which of the following statements is true about the figure shown below? A) A rental unit must be either an apartment or a house and cannot be both at the same time. B) A rental unit can be an apartment, a house or just a rental unit; it may not be more than one at the same time. C) A rental unit must be either an apartment or a house and could be both. D) A rental unit can be an apartment, a house or just a rental unit. It could be both an apartment and a house at the same time. 20) Which of the following statements is true about the figure shown below? A) A rental unit must be either an apartment or a house and cannot be both at the same time. B) A rental unit can be an apartment, a house or just a rental unit; it may not be more than one at the same time. C) A rental unit must be either an apartment or a house and could be both. D) A rental unit can be an apartment, a house or just a rental unit. It could be both an apartment an