Practice - Key Principles of ARIES
Practice Questions
Test your understanding with targeted questions
What does Write-Ahead Logging (WAL) ensure?
💡 Hint: Consider why logging is important during crashes.
What is the purpose of the No-Force policy?
💡 Hint: Think about how immediate writes could affect performance.
4 more questions available
Interactive Quizzes
Quick quizzes to reinforce your learning
What principle in ARIES ensures that no changes are lost during a crash?
💡 Hint: Focus on the importance of logging in recovery.
True or False: The No-Force policy immediately writes all updated pages to disk upon a transaction commit.
💡 Hint: Think about how performance can affect disk I/O.
1 more question available
Challenge Problems
Push your limits with advanced challenges
Discuss how the lack of Write-Ahead Logging would affect database recovery and provide examples of potential data loss scenarios.
💡 Hint: Consider what happens if updates are made but not preserved in logs.
Evaluate how the Steal policy might influence the recovery process in a high-transaction environment versus a low-transaction one.
💡 Hint: Think about how frequent transactions could lead to many dirty pages being written.
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Reference links
Supplementary resources to enhance your learning experience.