CSE :: Database System 2 - CS
- An action assertion must include which of the following?
- An oval represents which of the following in an EER?
- 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 supertype/subtype hierarchy 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?
- A supertype/subtype hierarchy has which of the following features?
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A.
Defining one or more subtypes of the supertype and forming supertype/subtype relationships. |
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B.
Defining one or more supertypes of the subtype and forming supertype/subtype relationships. |
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C.
Defining one or more subtypes of the supertype and not forming supertype/subtype relationships. |
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D.
Defining one or more supertypes of the subtype and not forming supertype/subtype relationships. |
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A.
Subtypes at the lower lever in the hierarchy inherit attributes only from their immediate supertype. |
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B.
Attributes are assigned at the highest logical level. |
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C.
Subtypes at the higher lever in the hierarchy inherit attributes only from their immediate subtype. |
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D.
Attributes are assigned at the lowest logical level. |