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

Author Question: If STUDENT and COURSE participate in a relationship, this is an example of a(n): A) unary ... (Read 35 times)

s.tung

  • Hero Member
  • *****
  • Posts: 577
on: Jul 7, 2018
If STUDENT and COURSE participate in a relationship, this is an example of a(n):
 
  A) unary relationship.
  B) coupled relationship.
  C) binary relationship.
  D) ternary relationship.
  E) extraordinary relationship.

Question 2

Having a level-1 diagram with no level-0 diagram is an example of a:
 
  A) violation of completeness.
  B) violation of consistency.
  C) balancing error.
  D) structuring violation.
  E) cohesion error.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

laurnthompson

  • Sr. Member
  • ****
  • Posts: 334
Reply #1 on: Jul 7, 2018
Answer to Question 1

C
Explanation: C) A binary relationship is the most common relationship in ERD.
CL

Answer to Question 2

B
Explanation: B) A level-0 diagram is necessary to establish the foundation for creating a level-2 diagram.
CL


s.tung

  • Member
  • Posts: 577
Reply 2 on: Jul 7, 2018
Excellent

cassie_ragen

  • Member
  • Posts: 347
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

Aspirin may benefit 11 different cancers, including those of the colon, pancreas, lungs, prostate, breasts, and leukemia.

Did you know?

Anesthesia awareness is a potentially disturbing adverse effect wherein patients who have been paralyzed with muscle relaxants may awaken. They may be aware of their surroundings but unable to communicate or move. Neurologic monitoring equipment that helps to more closely check the patient's anesthesia stages is now available to avoid the occurrence of anesthesia awareness.

Did you know?

Though methadone is often used to treat dependency on other opioids, the drug itself can be abused. Crushing or snorting methadone can achieve the opiate "rush" desired by addicts. Improper use such as these can lead to a dangerous dependency on methadone. This drug now accounts for nearly one-third of opioid-related deaths.

Did you know?

When Gabriel Fahrenheit invented the first mercury thermometer, he called "zero degrees" the lowest temperature he was able to attain with a mixture of ice and salt. For the upper point of his scale, he used 96°, which he measured as normal human body temperature (we know it to be 98.6° today because of more accurate thermometers).

Did you know?

Prostaglandins were first isolated from human semen in Sweden in the 1930s. They were so named because the researcher thought that they came from the prostate gland. In fact, prostaglandins exist and are synthesized in almost every cell of the body.

Relationship between winter rainfall and chuckwalla, Sauromalus, size Relationship between winter rainfall and chuckwalla, Sauromalus, size
A dose-response curve describes the relationship between the quantity of the chemical entering the ... A dose-response curve describes the relationship between the quantity of the chemical entering the ...
5-4 The relationship between vapor pressure and temperature—in this case for water. As the ... 5-4 The relationship between vapor pressure and temperature—in this case for water. As the ...
Relationship between Income and Happiness in the United States Relationship between Income and Happiness in the United States
Student Test Scores versus GDP per Capita Student Test Scores versus GDP per Capita
Relationship Between the Atlas and the Axis. The Dens of the Axis Provides a Pivotal Point Around Wh Relationship Between the Atlas and the Axis. The Dens of the Axis Provides a Pivotal Point Around Wh
Video: Cortisol (protein catabolism, gluconeogenesis, vasoconstriction & anti-inflammation)

For a complete list of videos, visit our video library