Author Question: Representing a one-to-many recursive relationship requires which of the following? A) Additional ... (Read 64 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?

Patients should never assume they are being given the appropriate drugs. They should make sure they know which drugs are being prescribed, and always double-check that the drugs received match the prescription.

Did you know?

Pink eye is a term that refers to conjunctivitis, which is inflammation of the thin, clear membrane (conjunctiva) over the white part of the eye (sclera). It may be triggered by a virus, bacteria, or foreign body in the eye. Antibiotic eye drops alleviate bacterial conjunctivitis, and antihistamine allergy pills or eye drops help control allergic conjunctivitis symptoms.

Did you know?

Approximately one in three babies in the United States is now delivered by cesarean section. The number of cesarean sections in the United States has risen 46% since 1996.

Did you know?

In 1844, Charles Goodyear obtained the first patent for a rubber condom.

Did you know?

Symptoms of kidney problems include a loss of appetite, back pain (which may be sudden and intense), chills, abdominal pain, fluid retention, nausea, the urge to urinate, vomiting, and fever.

For a complete list of videos, visit our video library