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

Author Question: What are some of the dangers of having redundant data in a database? What will be an ideal ... (Read 10 times)

a0266361136

  • Hero Member
  • *****
  • Posts: 538
on: Jul 7, 2018
What are some of the dangers of having redundant data in a database?
 
  What will be an ideal response?

Question 2

The layer of the IEEE 802 reference model that includes such functions as encoding/decoding of signals and bit transmission/reception is the _________ .
 
  A. physical layer B. control layer
 
  C. logical link layer D. media access layer


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

alexisweber49

  • Sr. Member
  • ****
  • Posts: 311
Reply #1 on: Jul 7, 2018
Answer to Question 1

Redundant data makes it easier for mistakes to happen. Data may be updated in one place but not in another, making it inconsistent.

Answer to Question 2

A


a0266361136

  • Hero Member
  • *****
  • Posts: 538
Reply #2 on: Jul 7, 2018
Thank you :)


alexisweber49

  • Sr. Member
  • ****
  • Posts: 311
Reply #3 on: Jul 7, 2018
Happy to help you


« previous next »
 

Did you know?

Common abbreviations that cause medication errors include U (unit), mg (milligram), QD (every day), SC (subcutaneous), TIW (three times per week), D/C (discharge or discontinue), HS (at bedtime or "hours of sleep"), cc (cubic centimeters), and AU (each ear).

Did you know?

The top five reasons that children stay home from school are as follows: colds, stomach flu (gastroenteritis), ear infection (otitis media), pink eye (conjunctivitis), and sore throat.

Did you know?

About 600,000 particles of skin are shed every hour by each human. If you live to age 70 years, you have shed 105 pounds of dead skin.

Did you know?

Allergies play a major part in the health of children. The most prevalent childhood allergies are milk, egg, soy, wheat, peanuts, tree nuts, and seafood.

Did you know?

Fatal fungal infections may be able to resist newer antifungal drugs. Globally, fungal infections are often fatal due to the lack of access to multiple antifungals, which may be required to be utilized in combination. Single antifungals may not be enough to stop a fungal infection from causing the death of a patient.

Foliage height diversity and bird species diversity (data from MacArthur and MacArthur 1961). Foliage height diversity and bird species diversity (data from MacArthur and MacArthur 1961).
The carbon cycle. Numbers are storage as 1015 g or fluxes as 1015 g per year (data from Schlesinger The carbon cycle. Numbers are storage as 1015 g or fluxes as 1015 g per year (data from Schlesinger
A health history is essential in collecting subjective data about metabolic acidosis. A health history is essential in collecting subjective data about metabolic acidosis.
Treatment of Depression with Ketamine The graph shows the effects of ketamine on symptoms of depress Treatment of Depression with Ketamine The graph shows the effects of ketamine on symptoms of depress
The material safety data sheet (MSDS) for sulfuric acid showing the detailed technical information ... The material safety data sheet (MSDS) for sulfuric acid showing the detailed technical information ...
A gene map for chromosome 12 from the NCBI database Map Viewer A gene map for chromosome 12 from the NCBI database Map Viewer
Video: Hydrogen bonds - role in the body

For a complete list of videos, visit our video library