« previous next »

Author Question: Explain what entity clustering is. What will be an ideal ... (Read 120 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?

Normal urine is sterile. It contains fluids, salts, and waste products. It is free of bacteria, viruses, and fungi.

Did you know?

The newest statin drug, rosuvastatin, has been called a superstatin because it appears to reduce LDL cholesterol to a greater degree than the other approved statin drugs.

Did you know?

The top 10 most important tips that will help you grow old gracefully include (1) quit smoking, (2) keep your weight down, (3) take supplements, (4) skip a meal each day or fast 1 day per week, (5) get a pet, (6) get medical help for chronic pain, (7) walk regularly, (8) reduce arguments, (9) put live plants in your living space, and (10) do some weight training.

Did you know?

Before a vaccine is licensed in the USA, the Food and Drug Administration (FDA) reviews it for safety and effectiveness. The CDC then reviews all studies again, as well as the American Academy of Pediatrics and the American Academy of Family Physicians. Every lot of vaccine is tested before administration to the public, and the FDA regularly inspects vaccine manufacturers' facilities.

Did you know?

Pink eye is a term that refers to conjunctivitis, which is inflammation of the thin, clear membrane (conjunctiva) over the white part of the eye (sclera). It may be triggered by a virus, bacteria, or foreign body in the eye. Antibiotic eye drops alleviate bacterial conjunctivitis, and antihistamine allergy pills or eye drops help control allergic conjunctivitis symptoms.

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
What are examples of ideal forms? What are examples of ideal forms?
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
Under ideal conditions, a single cell of the bacterium E. coli would divide every 20 minutes to ... Under ideal conditions, a single cell of the bacterium E. coli would divide every 20 minutes to ...
A very light ideal spring stretches by when it is used to hang a 135-N object. What is the ... A very light ideal spring stretches by when it is used to hang a 135-N object. What is the ...
Explain the myogenic autoregulation of the glomerular filtration rate Explain the myogenic autoregulation of the glomerular filtration rate
Video: Genetics of Cancer

For a complete list of videos, visit our video library