Design documentation: A) Should explain subtle design decisions B) Should descri

Question

Design documentation:

            A) Should explain subtle design decisions

            B)   Should describe incompleteness and inconsistency in specification requirements

            C)   Should communicate the database design to other interested parties throughout the lifetime of the database

            D) All of the above

   2 Redundant relationships in a database design:

            A) Can be derived from other relationships

            B)   Cannot be identified by reviewing the ERD

            C)   Should always be removed from the database design

            D) None of the above

In reviewing an ERD for consistency, the property of uniqueness applies to:

            A) Entity type names

            B)   Attribute names within entity types and relationships

            C)   Attribute names in a subtype

            D) All of the above

Which of the following statements is true?

            A) A staff may exist that is neither an RN, nor an administrator, nor an md

            B)   Every staff is either an RN, an administrator, or an md

            C)   A staff may exist that is an RN and an administrator

            D) A staff may exist that is an administrator and an md

Explanation / Answer

1)

          a. should explain subtle design decisions

2)

           c. Should always be removed from the database design

3)

           d. All the above.

Related Questions

Navigate

• Browse (All)
• Browse D
• Subjects

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.