« previous next »

Author Question: Describe the two ways that semantic object views can be used. What will be an ideal ... (Read 98 times)

pane00

  • Hero Member
  • *****
  • Posts: 579
on: Jul 7, 2018
Describe the two ways that semantic object views can be used.
 
  What will be an ideal response?

Question 2

In Oracle Database, to achieve transaction level consistency, which level of transaction isolation must be used?
 
  A) Read Committed
  B) Serializable
  C) Repeatable Read
  D) Read-only


Bsand8

  • Sr. Member
  • ****
  • Posts: 327
Reply #1 on: Jul 7, 2018
Answer to Question 1

A semantic view can be used: (1 ) during database design to reverse-engineer a data model, since the view an application has of an object is represented in the reports, forms and queries of that application, and (2 ) once the database structure has been created, views can be used to develop new forms and reports from the existing database.

Answer to Question 2

B


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

The toxic levels for lithium carbonate are close to the therapeutic levels. Signs of toxicity include fine hand tremor, polyuria, mild thirst, nausea, general discomfort, diarrhea, vomiting, drowsiness, muscular weakness, lack of coordination, ataxia, giddiness, tinnitus, and blurred vision.

Did you know?

Women are two-thirds more likely than men to develop irritable bowel syndrome. This may be attributable to hormonal changes related to their menstrual cycles.

Did you know?

Looking at the sun may not only cause headache and distort your vision temporarily, but it can also cause permanent eye damage. Any exposure to sunlight adds to the cumulative effects of ultraviolet (UV) radiation on your eyes. UV exposure has been linked to eye disorders such as macular degeneration, solar retinitis, and corneal dystrophies.

Did you know?

A headache when you wake up in the morning is indicative of sinusitis. Other symptoms of sinusitis can include fever, weakness, tiredness, a cough that may be more severe at night, and a runny nose or nasal congestion.

Did you know?

According to animal studies, the typical American diet is damaging to the liver and may result in allergies, low energy, digestive problems, and a lack of ability to detoxify harmful substances.

Aerial and close-up views of a large biodiversity experiment in Cedar Creek, Minnesota. Each of the Aerial and close-up views of a large biodiversity experiment in Cedar Creek, Minnesota. Each of the
The arrangement of the external eye muscles: (A) lateral and (B) anterior views. The arrangement of the external eye muscles: (A) lateral and (B) anterior views.
The Primate order displays a diversity of ways of moving around. The Primate order displays a diversity of ways of moving around.
Hokusai, The Great Wave off Kanagawa, from the series Thirty-Six Views of Mount Fuji. Hokusai, The Great Wave off Kanagawa, from the series Thirty-Six Views of Mount Fuji.
Three ways by which chromatin remodelers Three ways by which chromatin remodelers
Different views of the brain Different views of the brain
Video: Oogenesis Animation

For a complete list of videos, visit our video library