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

Author Question: Which of the following is NOT true regarding redundancy? A) Redundancy occurs when data is ... (Read 110 times)

LCritchfi

  • Hero Member
  • *****
  • Posts: 519
on: Aug 28, 2018
Which of the following is NOT true regarding redundancy?
 
  A) Redundancy occurs when data is repeated several times in a database.
  B) When you normalize a database, you eliminate redundancy.
  C) Foreign keys are redundant, but no other data about the entity is repeated.
  D) Normalization is the process of minimizing duplicate data.

Question 2

When a primary key occurs in another table as a foreign key, it is considered redundant.
 
  Indicate whether the statement is true or false


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Jody Vaughn

  • Sr. Member
  • ****
  • Posts: 344
Reply #1 on: Aug 28, 2018
Answer to Question 1

B

Answer to Question 2

FALSE


LCritchfi

  • Member
  • Posts: 519
Reply 2 on: Aug 28, 2018
Gracias!

shewald78

  • Member
  • Posts: 340
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

The calories found in one piece of cherry cheesecake could light a 60-watt light bulb for 1.5 hours.

Did you know?

In 1885, the Lloyd Manufacturing Company of Albany, New York, promoted and sold "Cocaine Toothache Drops" at 15 cents per bottle! In 1914, the Harrison Narcotic Act brought the sale and distribution of this drug under federal control.

Did you know?

The National Institutes of Health have supported research into acupuncture. This has shown that acupuncture significantly reduced pain associated with osteoarthritis of the knee, when used as a complement to conventional therapies.

Did you know?

The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").

Did you know?

Looking at the sun may not only cause headache and distort your vision temporarily, but it can also cause permanent eye damage. Any exposure to sunlight adds to the cumulative effects of ultraviolet (UV) radiation on your eyes. UV exposure has been linked to eye disorders such as macular degeneration, solar retinitis, and corneal dystrophies.

The nitrogen cycle. Numbers represent fluxes as 1012 g N per year (data from Schlesinger 1991, after The nitrogen cycle. Numbers represent fluxes as 1012 g N per year (data from Schlesinger 1991, after
Epiphyseal Usually occurs through the growth plate where the matrix is undergoing calcification and Epiphyseal Usually occurs through the growth plate where the matrix is undergoing calcification and
Data from more than 22,000 men over the age of 40, showing the relationship between birth weight and ... Data from more than 22,000 men over the age of 40, showing the relationship between birth weight and ...
Design Data for Various Packings Design Data for Various Packings
data data
Video: Red alga life cycle Animation

For a complete list of videos, visit our video library