This topic contains a solution. Click here to go to the answer

Author Question: Which of the following best defines a natural key? A) It is an arbitrary, random key with no ... (Read 28 times)

kamilo84

  • Sr. Member
  • ****
  • Posts: 495
Which of the following best defines a natural key?
 
  A) It is an arbitrary, random key with no business meaning
  B) It is an attribute that naturally belongs to the entity
  C) It is made up of two or more attributes combined
  D) It is an attribute that could potentially be used for a primary key

Question 2

State transition diagrams illustrate a succession of interactions between classes or object instances over time.
 
  Indicate whether the statement is true or false



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

lkoler

  • Sr. Member
  • ****
  • Posts: 358
Answer to Question 1

B

Answer to Question 2

FALSE




lkoler

  • Sr. Member
  • ****
  • Posts: 358

 

Did you know?

In 2012, nearly 24 milliion Americans, aged 12 and older, had abused an illicit drug, according to the National Institute on Drug Abuse (NIDA).

Did you know?

Your chance of developing a kidney stone is 1 in 10. In recent years, approximately 3.7 million people in the United States were diagnosed with a kidney disease.

Did you know?

It is believed that humans initially contracted crabs from gorillas about 3 million years ago from either sleeping in gorilla nests or eating the apes.

Did you know?

Vital signs (blood pressure, temperature, pulse rate, respiration rate) should be taken before any drug administration. Patients should be informed not to use tobacco or caffeine at least 30 minutes before their appointment.

Did you know?

More than 20 million Americans cite use of marijuana within the past 30 days, according to the National Survey on Drug Use and Health (NSDUH). More than 8 million admit to using it almost every day.

For a complete list of videos, visit our video library