Practice - Concurrency Control Techniques
Practice Questions
Test your understanding with targeted questions
What is the primary purpose of concurrency control in databases?
💡 Hint: Think about how multiple actions on the same data can cause issues.
In lock-based protocols, what is a shared lock used for?
💡 Hint: Consider whether the data is being modified or just accessed.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What does a lock do in a database?
💡 Hint: Consider the purpose of locking in regard to data safety.
True or False: Timestamp-based protocols can experience deadlocks.
💡 Hint: Think about how transactions interact without locks.
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Challenge Problems
Push your limits with advanced challenges
You are designing a system using validation-based protocols. What strategies can you implement to minimize the drawback of frequent transaction aborts?
💡 Hint: Consider how managing transaction priorities might ease the process.
Create a diagram illustrating a deadlock scenario using Two-Phase Locking and explain the situation caused.
💡 Hint: Think about how changing the order of lock requests can help avoid deadlocks.
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Reference links
Supplementary resources to enhance your learning experience.