Author Question: ________ is used to undo unwanted database changes. A) Rollback B) Rollforward C) Restart ... (Read 53 times)

KimWrice

  • Hero Member
  • *****
  • Posts: 579
________ is used to undo unwanted database changes.
 
  A) Rollback
  B) Rollforward
  C) Restart
  D) Encryption

Question 2

What are Web services?
 
  What will be an ideal response?


batool

  • Sr. Member
  • ****
  • Posts: 320
Answer to Question 1

A

Answer to Question 2

Web services are XML-based protocols that enable communication between software over the Web. They usually run in the background so that transparent communication can be established between computers.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

If all the neurons in the human body were lined up, they would stretch more than 600 miles.

Did you know?

About 600,000 particles of skin are shed every hour by each human. If you live to age 70 years, you have shed 105 pounds of dead skin.

Did you know?

Coca-Cola originally used coca leaves and caffeine from the African kola nut. It was advertised as a therapeutic agent and "pickerupper." Eventually, its formulation was changed, and the coca leaves were removed because of the effects of regulation on cocaine-related products.

Did you know?

You should not take more than 1,000 mg of vitamin E per day. Doses above this amount increase the risk of bleeding problems that can lead to a stroke.

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.

For a complete list of videos, visit our video library