« previous next »

Author Question: Explain what entity clustering is. What will be an ideal ... (Read 176 times)

nelaaney

  • Hero Member
  • *****
  • Posts: 560
on: Jul 7, 2018
Explain what entity clustering is.
 
  What will be an ideal response?

Question 2

Spread spectrum transmission is used in wireless LANs ________.
 
  A) to increase transmission speed
  B) for security
  C) Both A and B
  D) Neither A nor B
Modern Database Management ¦ Hoffer, Venkataraman, Topi ¦ 13th Edition
Buy Test-Bank


ankilker

  • Sr. Member
  • ****
  • Posts: 328
Reply #1 on: Jul 7, 2018
Answer to Question 1

An entity cluster is a group of entities and relationships which act as one entity. Entity clustering can be thought of as a way to decompose a data model hierarchically, gaining finer and finer views. Entity clusters can interact with other entity clusters just like entities can interact with each other.

Answer to Question 2

Answer: D


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Vital signs (blood pressure, temperature, pulse rate, respiration rate) should be taken before any drug administration. Patients should be informed not to use tobacco or caffeine at least 30 minutes before their appointment.

Did you know?

Liver spots have nothing whatsoever to do with the liver. They are a type of freckles commonly seen in older adults who have been out in the sun without sufficient sunscreen.

Did you know?

Human neurons are so small that they require a microscope in order to be seen. However, some neurons can be up to 3 feet long, such as those that extend from the spinal cord to the toes.

Did you know?

Alzheimer's disease affects only about 10% of people older than 65 years of age. Most forms of decreased mental function and dementia are caused by disuse (letting the mind get lazy).

Did you know?

Children with strabismus (crossed eyes) can be treated. They are not able to outgrow this condition on their own, but with help, it can be more easily corrected at a younger age. It is important for infants to have eye examinations as early as possible in their development and then another at age 2 years.

This modified model of Easton’s systems theory puts government decision makers as the source of pol This modified model of Easton’s systems theory puts government decision makers as the source of pol
Inverse Relation Between IQ and Disease. Could this explain the Flynn effect? Inverse Relation Between IQ and Disease. Could this explain the Flynn effect?
Social scientists have not done well at devising theories to explain lovely romantic moments Social scientists have not done well at devising theories to explain lovely romantic moments
Please fully explain in detail Please fully explain in detail
Explain how it can be desirable from an intertemporal perspective for a country run a current ... Explain how it can be desirable from an intertemporal perspective for a country run a current ...
If CP for an ideal gas is 35.4 J/molK, which of the following is CV for this gas? If CP for an ideal gas is 35.4 J/molK, which of the following is CV for this gas?
Video: Neuron Structure Animation

For a complete list of videos, visit our video library