Practice - Database Recovery
Practice Questions
Test your understanding with targeted questions
What is atomicity in the context of database transactions?
💡 Hint: Think about what happens when a transaction fails.
Name two types of transaction failures.
💡 Hint: Consider errors that would only affect a single transaction.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the principle of atomicity?
💡 Hint: Consider what should happen if any part of a transaction fails.
True or False: Log-based recovery does not require any transaction logs.
💡 Hint: Think about what the log is used for during recovery.
2 more questions available
Challenge Problems
Push your limits with advanced challenges
Imagine a database suffers a system crash, and 4 transactions were active. One had committed successfully, and two were still uncommitted. Explain the recovery process the database would follow.
💡 Hint: Reflect on the main principles of atomicity and durability.
Consider a database using shadow paging. Describe how it handles a critical system failure and how it achieves durability.
💡 Hint: Think about the two-page table structure in shadow paging.
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Reference links
Supplementary resources to enhance your learning experience.