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

Author Question: Given only the following excerpt of an E-R model: Which of the following is known to be true? A) ... (Read 58 times)

Frost2351

  • Hero Member
  • *****
  • Posts: 557
Given only the following excerpt of an E-R model: Which of the following is known to be true?
 
  A) There are more instances of ENTITY A than there are instances of ENTITY B in the user's environment.
  B) A single instance of ENTITY B may be related to many instances of ENTITY A.
  C) A single instance of ENTITY A must be related to many instances of ENTITY B.
  D) ENTITY A has a minimum cardinality of one.
  E) The degree of the relationship is many.

Question 2

Any table that meets the requirements of a(n) ________ is in first normal form.
 
  Fill in the blank(s) with correct word



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

stano32

  • Sr. Member
  • ****
  • Posts: 339
Answer to Question 1

B

Answer to Question 2

relation




Frost2351

  • Member
  • Posts: 557
Reply 2 on: Jul 7, 2018
Excellent


nathang24

  • Member
  • Posts: 314
Reply 3 on: Yesterday
Great answer, keep it coming :)

 

Did you know?

The largest baby ever born weighed more than 23 pounds but died just 11 hours after his birth in 1879. The largest surviving baby was born in October 2009 in Sumatra, Indonesia, and weighed an astounding 19.2 pounds at birth.

Did you know?

About 600,000 particles of skin are shed every hour by each human. If you live to age 70 years, you have shed 105 pounds of dead skin.

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?

All adverse reactions are commonly charted in red ink in the patient's record and usually are noted on the front of the chart. Failure to follow correct documentation procedures may result in malpractice lawsuits.

Did you know?

In most cases, kidneys can recover from almost complete loss of function, such as in acute kidney (renal) failure.

For a complete list of videos, visit our video library