This topic contains a solution. Click here to go to the answer

Author Question: What are some of the dangers of having redundant data in a database? What will be an ideal ... (Read 67 times)

a0266361136

  • Hero Member
  • *****
  • Posts: 538
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
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





 

Did you know?

Approximately one in three babies in the United States is now delivered by cesarean section. The number of cesarean sections in the United States has risen 46% since 1996.

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?

Acute bronchitis is an inflammation of the breathing tubes (bronchi), which causes increased mucus production and other changes. It is usually caused by bacteria or viruses, can be serious in people who have pulmonary or cardiac diseases, and can lead to pneumonia.

Did you know?

Although not all of the following muscle groups are commonly used, intramuscular injections may be given into the abdominals, biceps, calves, deltoids, gluteals, laterals, pectorals, quadriceps, trapezoids, and triceps.

Did you know?

Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.

For a complete list of videos, visit our video library