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Questions and Answers
What is a view in a database?
What is a view in a database?
- A stored procedure in the database
- A physical storage of data in the database
- A virtual relation that is produced upon request (correct)
- A permanent storage of data in the database
What is the primary purpose of a view?
What is the primary purpose of a view?
- To produce another relation upon request (correct)
- To perform complex calculations on data
- To store data permanently in the database
- To create a new database schema
Where is a view typically stored?
Where is a view typically stored?
- In memory, at the time of request (correct)
- In the database as a physical table
- On a remote server
- In the database as a virtual table
What type of relation is a view?
What type of relation is a view?
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When is a view typically produced?
When is a view typically produced?
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Study Notes
View Definition
- A view is the dynamic result of one or more relational operations on base relations, producing another relation.
Key Characteristics
- A view is a virtual relation that does not necessarily exist in the database.
- A view is produced upon request, at the time of request.
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