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 112 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?

Patients who cannot swallow may receive nutrition via a parenteral route—usually, a catheter is inserted through the chest into a large vein going into the heart.

Did you know?

Chronic marijuana use can damage the white blood cells and reduce the immune system's ability to respond to disease by as much as 40%. Without a strong immune system, the body is vulnerable to all kinds of degenerative and infectious diseases.

Did you know?

The U.S. Preventive Services Task Force recommends that all women age 65 years of age or older should be screened with bone densitometry.

Did you know?

A serious new warning has been established for pregnant women against taking ACE inhibitors during pregnancy. In the study, the risk of major birth defects in children whose mothers took ACE inhibitors during the first trimester was nearly three times higher than in children whose mothers didn't take ACE inhibitors. Physicians can prescribe alternative medications for pregnant women who have symptoms of high blood pressure.

Did you know?

As the western states of America were settled, pioneers often had to drink rancid water from ponds and other sources. This often resulted in chronic diarrhea, causing many cases of dehydration and death that could have been avoided if clean water had been available.

A true albino squirrel. Note the pink eyes. A true albino squirrel. Note the pink eyes.
True-color view of Mars seen through NASA's Hubble Space Telescope in 1999 True-color view of Mars seen through NASA's Hubble Space Telescope in 1999
True Forget-Me-Not True Forget-Me-Not
The correct statement about hormones-insulin and glucagon The correct statement about hormones-insulin and glucagon
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 ...
Generation of various modified dihybrid ratios from the nine unique genotypes Generation of various modified dihybrid ratios from the nine unique genotypes
Video: How antibiotics works? 💊

For a complete list of videos, visit our video library