Describe the two ways that semantic object views can be used. ...

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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

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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