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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is atomicity in the context of database transactions?
💡 Hint: Think about what happens when a transaction fails.
Question 2
Easy
Name two types of transaction failures.
💡 Hint: Consider errors that would only affect a single transaction.
Practice 4 more questions and get performance evaluation
Interactive Quizzes
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What is the principle of atomicity?
- Only some changes are saved
- All or nothing principle
- Changes are saved after a point
💡 Hint: Consider what should happen if any part of a transaction fails.
Question 2
True or False: Log-based recovery does not require any transaction logs.
- True
- False
💡 Hint: Think about what the log is used for during recovery.
Solve 2 more questions and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
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.
Question 2
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.
Challenge and get performance evaluation