Physical Database Design Is Necessary ____

question 15

Multiple Choice

Physical database design is necessary ____.

• A) to eliminate the data redundancy left over from logical database design
• B) to make the first pass at arranging the attributes into related groupings
• C) to improve the performance of the run-time environment.
• D) to place foreign keys where they need to be to model the relationships in the business environment
• E) to prepare for logical database design

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Definitions:

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A medical procedure used in prenatal diagnosis, involving the extraction of a small amount of amniotic fluid for testing.

Tenth Week

A period in pregnancy, typically referring to ten weeks from the first day of the last menstrual period, marking developmental milestones in the fetus.

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A condition in which a woman carries a developing fetus within her uterus, lasting typically about 40 weeks from the last menstrual period to birth.

Childbirth

The act of childbirth, encompassing the stages of labor and delivery.