Podcast
Play an AI-generated podcast conversation about this lesson
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?
Signup and view all the answers
When is a view typically produced?
When is a view typically produced?
Signup and view all the answers
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.
Studying That Suits You
Use AI to generate personalized quizzes and flashcards to suit your learning preferences.
Description
This quiz covers the concept of a view in relational databases, a virtual relation generated by one or more operations on base relations. It discusses how views are produced upon request and do not necessarily exist in the database.
