Practice Shadow Paging (10.4) - Database Recovery - Introduction to Database Systems
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Shadow Paging

Practice - Shadow Paging

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Practice Questions

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Question 1 Easy

What are the two page tables maintained in shadow paging?

💡 Hint: Think about which table holds the most recent data and which one holds the previous state.

Question 2 Easy

What is the purpose of the Copy-on-Write mechanism in shadow paging?

💡 Hint: Focus on how updating data should not disturb previous information.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What is the primary mechanism used in shadow paging for making changes?

Direct Modification
Copy-on-Write
Appending Changes

💡 Hint: Consider how changes are handled in a way that protects the original data.

Question 2

True or False: Shadow Paging requires detailed logging of all transactions.

True
False

💡 Hint: Focus on the main advantage of this recovery technique.

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Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Explain how shadow paging would handle a scenario where two transactions occur simultaneously, modifying the same data. Discuss potential outcomes.

💡 Hint: Consider how to ensure that both transactions do not interfere with committed changes.

Challenge 2 Hard

Evaluate the potential for fragmentation in a database using shadow paging. How can this be managed during routine operations?

💡 Hint: Look into how regular maintenance keeps the database optimized.

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