This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: Given only the following excerpt of an E-R model: Which of the following is known to be true? A) ... (Read 57 times)

Frost2351

  • Hero Member
  • *****
  • Posts: 557
on: Jul 7, 2018
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
Reply #1 on: Jul 7, 2018
Answer to Question 1

B

Answer to Question 2

relation


Frost2351

  • Member
  • Posts: 557
Reply 2 on: Jul 7, 2018
Wow, this really help

meow1234

  • Member
  • Posts: 333
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

Never take aspirin without food because it is likely to irritate your stomach. Never give aspirin to children under age 12. Overdoses of aspirin have the potential to cause deafness.

Did you know?

It is important to read food labels and choose foods with low cholesterol and saturated trans fat. You should limit saturated fat to no higher than 6% of daily calories.

Did you know?

More than 2,500 barbiturates have been synthesized. At the height of their popularity, about 50 were marketed for human use.

Did you know?

Drug abusers experience the following scenario: The pleasure given by their drug (or drugs) of choice is so strong that it is difficult to eradicate even after years of staying away from the substances involved. Certain triggers may cause a drug abuser to relapse. Research shows that long-term drug abuse results in significant changes in brain function that persist long after an individual stops using drugs. It is most important to realize that the same is true of not just illegal substances but alcohol and tobacco as well.

Did you know?

After a vasectomy, it takes about 12 ejaculations to clear out sperm that were already beyond the blocked area.

This graphic illustrates the original systems model of politics advanced by David Easton. Politics This graphic illustrates the original systems model of politics advanced by David Easton. Politics
A Mental Model of the Craftsman Experiment A Mental Model of the Craftsman Experiment
Ethical Decision-Making Model Cont Ethical Decision-Making Model Cont
A high-resolution model of the 50S ribosomal subunit A high-resolution model of the 50S ribosomal subunit
The threshold model explains the discontinuous distribution of some multifactorial traits. In this m The threshold model explains the discontinuous distribution of some multifactorial traits. In this m
Ethanol has the molecular formula C2H6O. Which ball and stick model shown above represents ... Ethanol has the molecular formula C2H6O. Which ball and stick model shown above represents ...
Video: Protein digestion - stomach & small intestine

For a complete list of videos, visit our video library