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

Author Question: An entity identifier can be either unique or nonunique. Indicate whether the statement is true or ... (Read 95 times)

biggirl4568

  • Hero Member
  • *****
  • Posts: 551
on: Jul 7, 2018
An entity identifier can be either unique or nonunique.
 
  Indicate whether the statement is true or false

Question 2

Given the below functional dependency,MedicineCode  (MedicineName, ShelfLife, Manufacturer, Dosage)which of the following statements is not known to be true?
 
  A) MedicineCode is a determinant.
  B) MedicineName is a determinant.
  C) Manufacturer is functionally dependent on MedicineCode.
  D) ShelfLife is functionally dependent on MedicineCode.
  E) MedicineCode is a candidate key of the relation MEDICINE (MedicineName, ShelfLife, Manufacturer, Dosage, MedicineCode).


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

briezy

  • Sr. Member
  • ****
  • Posts: 347
Reply #1 on: Jul 7, 2018
Answer to Question 1

TRUE

Answer to Question 2

B


biggirl4568

  • Hero Member
  • *****
  • Posts: 551
Reply #2 on: Jul 7, 2018
Thank you :)


briezy

  • Sr. Member
  • ****
  • Posts: 347
Reply #3 on: Jul 7, 2018
Happy to help you


« previous next »
 

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?

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?

Every 10 seconds, a person in the United States goes to the emergency room complaining of head pain. About 1.2 million visits are for acute migraine attacks.

Did you know?

Computer programs are available that crosscheck a new drug's possible trade name with all other trade names currently available. These programs detect dangerous similarities between names and alert the manufacturer of the drug.

Did you know?

The first oral chemotherapy drug for colon cancer was approved by FDA in 2001.

Unique communities may result from distinct environmental conditions. Unique communities may result from distinct environmental conditions.
Unique markings identify individual humpback whales. Unique markings identify individual humpback whales.
Example of Reconciling a Bank Statement Example of Reconciling a Bank Statement
Example of Reconciling a Bank Statement Cont. Example of Reconciling a Bank Statement Cont.
A diagram showing one of Mendel’s crosses. True-breeding strains of pea plants with smooth and ... A diagram showing one of Mendel’s crosses. True-breeding strains of pea plants with smooth and ...
Video: Cardiac conductile cells

For a complete list of videos, visit our video library