Author Question: ________ is used to undo unwanted database changes. A) Rollback B) Rollforward C) Restart ... (Read 57 times)

KimWrice

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________ 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

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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.



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