recategorized
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Views are useful for ____ unwanted information, and for collecting together information from more than one relation into a single view.

  1. Hiding
  2. Deleting
  3. Highlighting
  4. All of the above
recategorized

2 Answers

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Answer A: hiding

What is a view?

  • Views are subset of table.
  • View also has set of records in the form of rows and columns.
  • But it is created based on the records in one or more tables. 
  • A table will have large number of data and table will be fired with specific frequently. In such case, instead of rewriting the query again and again, a name is given to the query and it will be called whenever it is required.
  • Hence view is also called as named query or stored query.
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Ans is A views are logical masks over table(s) to display selected information from multiple relation and hiding rest
Answer:

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