« previous next »

Author Question: Which of the following is the default transaction isolation level offered by Oracle Database? A) ... (Read 71 times)

haleyc112

  • Hero Member
  • *****
  • Posts: 600
on: Jul 7, 2018
Which of the following is the default transaction isolation level offered by Oracle Database?
 
  A) Read Committed
  B) Serializable
  C) Repeatable Read
  D) Read Only

Question 2

Explain the concept of semantic objects as being a sufficient description.
 
  What will be an ideal response?


spencer.martell

  • Sr. Member
  • ****
  • Posts: 342
Reply #1 on: Jul 7, 2018
Answer to Question 1

A

Answer to Question 2

A semantic object is said to be a sufficient description because: (1 ) it contains all the attributes necessary for the users to do their work, and (2 ) it is self-contained, which means that all the data required about a given object is contained in that object.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Fatal fungal infections may be able to resist newer antifungal drugs. Globally, fungal infections are often fatal due to the lack of access to multiple antifungals, which may be required to be utilized in combination. Single antifungals may not be enough to stop a fungal infection from causing the death of a patient.

Did you know?

A seasonal flu vaccine is the best way to reduce the chances you will get seasonal influenza and spread it to others.

Did you know?

Though Candida and Aspergillus species are the most common fungal pathogens causing invasive fungal disease in the immunocompromised, infections due to previously uncommon hyaline and dematiaceous filamentous fungi are occurring more often today. Rare fungal infections, once accurately diagnosed, may require surgical debridement, immunotherapy, and newer antifungals used singly or in combination with older antifungals, on a case-by-case basis.

Did you know?

Hippocrates noted that blood separates into four differently colored liquids when removed from the body and examined: a pure red liquid mixed with white liquid material with a yellow-colored froth at the top and a black substance that settles underneath; he named these the four humors (for blood, phlegm, yellow bile, and black bile).

Did you know?

Addicts to opiates often avoid treatment because they are afraid of withdrawal. Though unpleasant, with proper management, withdrawal is rarely fatal and passes relatively quickly.

A tamed cheetah offered as tribute to the King of Thebes (1700 B.C.) A tamed cheetah offered as tribute to the King of Thebes (1700 B.C.)
Epidemiologists look for the causes of disease, such as toxic waste and industrial pollution, at the Epidemiologists look for the causes of disease, such as toxic waste and industrial pollution, at the
Martin Van Buren, sitting uncomfortably for this engraving, would eventually ascend to the presidenc Martin Van Buren, sitting uncomfortably for this engraving, would eventually ascend to the presidenc
People using walkers typically have a high level of mobility impairment. People using walkers typically have a high level of mobility impairment.
The level of emissions from transport in the United States is twice as high as the global average The level of emissions from transport in the United States is twice as high as the global average
Mechanisms of Reproductive Isolation Mechanisms of Reproductive Isolation
Video: Natural Selection, Species Isolation and Real World Example

For a complete list of videos, visit our video library