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

Author Question: Briefly describe Bradley's three-level database model. What will be an ideal ... (Read 127 times)

Brittanyd9008

  • Hero Member
  • *****
  • Posts: 500
on: Jul 7, 2018
Briefly describe Bradley's three-level database model.
 
  What will be an ideal response?

Question 2

In a three-tiered architecture, middleware is housed in:
 
  A)
 
  Tier 0.
  B)
 
  Tier 1.
  C)
 
  Tier 2.
  D)
 
  Tier 3.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

dajones82

  • Sr. Member
  • ****
  • Posts: 359
Reply #1 on: Jul 7, 2018
Answer to Question 1

1. Level 1 is the external, conceptual, or local level. This level is not concerned with how the data is physically stored or what data is used by other applications.
2. Level 2 is the logical or enterprise data level. It encompasses all of the organization's relevant data under the control of the data administrators.
3. Level 3 is the physical or storage level. It specifies the way the data is physically stored.

Answer to Question 2

C


Brittanyd9008

  • Member
  • Posts: 500
Reply 2 on: Jul 7, 2018
Great answer, keep it coming :)

Dnite

  • Member
  • Posts: 297
Reply 3 on: Yesterday
:D TYSM

« previous next »
 

Did you know?

Approximately 70% of expectant mothers report experiencing some symptoms of morning sickness during the first trimester of pregnancy.

Did you know?

Interferon was scarce and expensive until 1980, when the interferon gene was inserted into bacteria using recombinant DNA technology, allowing for mass cultivation and purification from bacterial cultures.

Did you know?

When intravenous medications are involved in adverse drug events, their harmful effects may occur more rapidly, and be more severe than errors with oral medications. This is due to the direct administration into the bloodstream.

Did you know?

It is believed that humans initially contracted crabs from gorillas about 3 million years ago from either sleeping in gorilla nests or eating the apes.

Did you know?

Blastomycosis is often misdiagnosed, resulting in tragic outcomes. It is caused by a fungus living in moist soil, in wooded areas of the United States and Canada. If inhaled, the fungus can cause mild breathing problems that may worsen and cause serious illness and even death.

Chest X-ray. A physician is examining chest X-rays with the aid of a plastic model of the bronchial Chest X-ray. A physician is examining chest X-rays with the aid of a plastic model of the bronchial
Model of a Neutron Star’s Interior Model of a Neutron Star’s Interior
Stand in a doorway and hook your fingertips on both sides about chest level or lower. Stand in a doorway and hook your fingertips on both sides about chest level or lower.
Marx's Model Of The Social Classes Marx's Model Of The Social Classes
Describe the Conceptual Forecasting Framework in your own words. Describe the Conceptual Forecasting Framework in your own words.
General model of the association of histones and DNA to form nucleosomes General model of the association of histones and DNA to form nucleosomes
Video: The Nerve Impulse

For a complete list of videos, visit our video library