Total specialization is represented by double lines between the supertype and su

Question

Total specialization is represented by double lines between the supertype and subtype on an EER.

Options:

A . True

B . False

Answer: Option A

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More Questions on This Topic :

Question 1. An ERD that has had the entities clustered will display more entities.....

Question 2. Generalization is the process of defining more general entity types from a set of more specialized entity types.....

Question 3. It is appropriate to use a supertype/subtype relationship when there are attributes that apply to some of the instances ....apply to some of the instances of an entity type.

Question 4. If an entity adheres to the disjoint rule, then an entity instance can be a member of more than one entity for a given s....member of more than one entity for a given supertype.

Question 5. Action assertions have traditionally been implemented within an application program.....

Question 6. An entity cluster is a set of one or more entity types and associated relationships.....

Question 7. An action assertion must include which of the following?....

Question 8. When an entity instance must be a member of only one subtype, it is which of the following?....

Question 9. A supertype/subtype hierarchy is which of the following?....

Question 10. Inheritance is which of the following?....

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