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 62 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?

A cataract is a clouding of the eyes' natural lens. As we age, some clouding of the lens may occur. The first sign of a cataract is usually blurry vision. Although glasses and other visual aids may at first help a person with cataracts, surgery may become inevitable. Cataract surgery is very successful in restoring vision, and it is the most frequently performed surgery in the United States.

Did you know?

Calcitonin is a naturally occurring hormone. In women who are at least 5 years beyond menopause, it slows bone loss and increases spinal bone density.

Did you know?

This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.

Did you know?

Fungal nail infections account for up to 30% of all skin infections. They affect 5% of the general population—mostly people over the age of 70.

Did you know?

According to the Migraine Research Foundation, migraines are the third most prevalent illness in the world. Women are most affected (18%), followed by children of both sexes (10%), and men (6%).

Lake position in the landscape and proportion of water received as groundwater (data from Webster et Lake position in the landscape and proportion of water received as groundwater (data from Webster et
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 ...
Air-Temperature Data Air-Temperature Data
How to create a frequency table and histogram from raw data How to create a frequency table and histogram from raw data
A hypothetical grid of data used in synteny testing A hypothetical grid of data used in synteny testing
Survivorship curves. Blue lines are theoretical curves. Red dots are data from field studies. Survivorship curves. Blue lines are theoretical curves. Red dots are data from field studies.
Video: Segmentation and migrating motility complexes & Gastroileal reflex

For a complete list of videos, visit our video library