A Materialized View is a database object that stores the physical result of a SQL query for faster access. Unlike regular views, materialized views improve performance by avoiding repeated execution of complex queries and can be refreshed periodically.
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Which of the following is true about a regular view and a materialized view?
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Question 3 of 15
3. Question
Which SQL command is used to create a materialized view?
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Question 4 of 15
4. Question
In which databases are materialized views commonly used?
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Question 5 of 15
5. Question
Which clause is used to update a materialized view periodically?
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Question 6 of 15
6. Question
Which refresh type automatically updates the materialized view at scheduled intervals?
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Question 7 of 15
7. Question
What does REFRESH FAST imply in a materialized view?
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Question 8 of 15
8. Question
What happens when you use REFRESH COMPLETE?
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Question 9 of 15
9. Question
What is a materialized view log used for?
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Question 10 of 15
10. Question
Which of the following is not a valid refresh mode for materialized views?
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Question 11 of 15
11. Question
Can materialized views be indexed?
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Question 12 of 15
12. Question
Which of the following benefits do materialized views provide?
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Question 13 of 15
13. Question
Which type of materialized view is automatically updated after DML operations on base tables?
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Question 14 of 15
14. Question
Can materialized views be used for partitioning data?
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Question 15 of 15
15. Question
What happens if a base table is dropped and a materialized view depends on it?
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Summary
This quiz on Materialised Views helps learners understand how they store data, improve query performance, and work with refresh mechanisms like ON COMMIT, FAST, and COMPLETE. It’s useful for developers, DBAs, and interview candidates.
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