Author Question: The design transformation for all IS-A relationships can be summarized by the phrase place the key ... (Read 52 times)

ENagel

  • Hero Member
  • *****
  • Posts: 540
The design transformation for all IS-A relationships can be summarized by the phrase place the key of the parent table in the child table.
 
  Indicate whether the statement is true or false

Question 2

The supremetype entity contains the attributes that are common to all subtypes.
 
  Indicate whether the statement is true or false



aham8f

  • Sr. Member
  • ****
  • Posts: 336
Answer to Question 1

FALSE

Answer to Question 2

FALSE



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

About one in five American adults and teenagers have had a genital herpes infection—and most of them don't know it. People with genital herpes have at least twice the risk of becoming infected with HIV if exposed to it than those people who do not have genital herpes.

Did you know?

According to the National Institute of Environmental Health Sciences, lung disease is the third leading killer in the United States, responsible for one in seven deaths. It is the leading cause of death among infants under the age of one year.

Did you know?

In the ancient and medieval periods, dysentery killed about ? of all babies before they reach 12 months of age. The disease was transferred through contaminated drinking water, because there was no way to adequately dispose of sewage, which contaminated the water.

Did you know?

The senior population grows every year. Seniors older than 65 years of age now comprise more than 13% of the total population. However, women outlive men. In the 85-and-over age group, there are only 45 men to every 100 women.

Did you know?

When Gabriel Fahrenheit invented the first mercury thermometer, he called "zero degrees" the lowest temperature he was able to attain with a mixture of ice and salt. For the upper point of his scale, he used 96°, which he measured as normal human body temperature (we know it to be 98.6° today because of more accurate thermometers).

For a complete list of videos, visit our video library