Author Question: Representing a one-to-many recursive relationship requires which of the following? A) Additional ... (Read 17 times)

penza

  • Hero Member
  • *****
  • Posts: 1,022
Representing a one-to-many recursive relationship requires which of the following?
 
  A) Additional table with a primary key, but without a foreign key
  B) Additional table with a composite primary key that acts as a foreign key
  C) No additional table modification
  D) Additional foreign key that is also a primary key in the same table

Question 2

The final phase of the systems development life cycle (SDLC) is ________.



chevyboi1976

  • Sr. Member
  • ****
  • Posts: 344
Answer to Question 1

D

Answer to Question 2




Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

There used to be a metric calendar, as well as metric clocks. The metric calendar, or "French Republican Calendar" divided the year into 12 months, but each month was divided into three 10-day weeks. Each day had 10 decimal hours. Each hour had 100 decimal minutes. Due to lack of popularity, the metric clocks and calendars were ended in 1795, three years after they had been first marketed.

Did you know?

The tallest man ever known was Robert Wadlow, an American, who reached the height of 8 feet 11 inches. He died at age 26 years from an infection caused by the immense weight of his body (491 pounds) and the stress on his leg bones and muscles.

Did you know?

Blood is approximately twice as thick as water because of the cells and other components found in it.

Did you know?

In ancient Rome, many of the richer people in the population had lead-induced gout. The reason for this is unclear. Lead poisoning has also been linked to madness.

Did you know?

A strange skin disease referred to as Morgellons has occurred in the southern United States and in California. Symptoms include slowly healing sores, joint pain, persistent fatigue, and a sensation of things crawling through the skin. Another symptom is strange-looking, threadlike extrusions coming out of the skin.

For a complete list of videos, visit our video library