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

Author Question: A relationship between the instances of one entity type is a: A) unary relationship. B) binary ... (Read 130 times)

rayancarla1

  • Hero Member
  • *****
  • Posts: 571
on: Jul 7, 2018
A relationship between the instances of one entity type is a:
 
  A) unary relationship.
  B) binary relationship.
  C) ternary relationship.
  D) singular occurrence.
  E) partnership occurrence.

Question 2

The extent to which all necessary components of a data-flow diagram have been included and fully described defines:
 
  A) DFD consistency.
  B) DFD completeness.
  C) DFD gap proofing.
  D) DFD flexibility.
  E) DFD cohesion.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

guyanai

  • Sr. Member
  • ****
  • Posts: 349
Reply #1 on: Jul 7, 2018
Answer to Question 1

A
Explanation: A) An example of a unary relationship is a customer being referred by another customer. Both customers are from the same entity.
CL

Answer to Question 2

B
Explanation: B) Not only must all necessary elements of a DFD be present, each of the components must be fully described in the project dictionary.
CL


rayancarla1

  • Hero Member
  • *****
  • Posts: 571
Reply #2 on: Jul 7, 2018
TY


guyanai

  • Sr. Member
  • ****
  • Posts: 349
Reply #3 on: Jul 7, 2018
Happy to Help


« previous next »
 

Did you know?

There are 20 feet of blood vessels in each square inch of human skin.

Did you know?

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

Did you know?

The people with the highest levels of LDL are Mexican American males and non-Hispanic black females.

Did you know?

GI conditions that will keep you out of the U.S. armed services include ulcers, varices, fistulas, esophagitis, gastritis, congenital abnormalities, inflammatory bowel disease, enteritis, colitis, proctitis, duodenal diverticula, malabsorption syndromes, hepatitis, cirrhosis, cysts, abscesses, pancreatitis, polyps, certain hemorrhoids, splenomegaly, hernias, recent abdominal surgery, GI bypass or stomach stapling, and artificial GI openings.

Did you know?

The cure for trichomoniasis is easy as long as the patient does not drink alcoholic beverages for 24 hours. Just a single dose of medication is needed to rid the body of the disease. However, without proper precautions, an individual may contract the disease repeatedly. In fact, most people develop trichomoniasis again within three months of their last treatment.

Relationship between Hox gene number and body complexity in different types of animals. Relationship between Hox gene number and body complexity in different types of animals.
Relationship of the electrocardiogram to electrical conduction in the heart. Relationship of the electrocardiogram to electrical conduction in the heart.
A radiator may be either a down-flow or a cross-flow type. A radiator may be either a down-flow or a cross-flow type.
Action of type I and type II topoisomerases, as shown by gel electrophoresis Action of type I and type II topoisomerases, as shown by gel electrophoresis
For each substrate below, choose which reaction type is favored. Place the letter of the ... For each substrate below, choose which reaction type is favored. Place the letter of the ...
ABO blood type ABO blood type
Video: Dissociative Disorders (Part 2)

For a complete list of videos, visit our video library