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 119 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
YES! Correct, THANKS for helping me on my review

xiazhe

  • Member
  • Posts: 331
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.

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?

In 1864, the first barbiturate (barbituric acid) was synthesized.

Did you know?

The first war in which wide-scale use of anesthetics occurred was the Civil War, and 80% of all wounds were in the extremities.

Did you know?

The strongest synthetic topical retinoid drug available, tazarotene, is used to treat sun-damaged skin, acne, and psoriasis.

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
Gas exchange occurs at the alveolar capillary membrane. Gas exchange occurs at the alveolar capillary membrane.
Pulmonary function test: spirometry. (a) Normal respiratory volumes, as measured during spirometry. Pulmonary function test: spirometry. (a) Normal respiratory volumes, as measured during spirometry.
4.1 Age changes in total IQ based on cross-sectional data (lower line) and longitudinal data ... 4.1 Age changes in total IQ based on cross-sectional data (lower line) and longitudinal data ...
data data
Ribosome structure and tRNA-binding sites interpreted from cryo-EM–generated data Ribosome structure and tRNA-binding sites interpreted from cryo-EM–generated data
Video: Oxygen transport - methods and oxyhemoglobin

For a complete list of videos, visit our video library