Practice - Lock-Based Protocols (Two-Phase Locking - 2PL)
Practice Questions
Test your understanding with targeted questions
What is the primary purpose of using locks in databases?
💡 Hint: Think about transactions working at the same time.
Name the two types of locks discussed.
💡 Hint: One allows reading only, while the other allows writing.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What does the Two-Phase Locking protocol aim to prevent?
💡 Hint: Think about transaction conflicts during execution.
True or False: An Exclusive Lock allows other transactions to read the data item it is locking.
💡 Hint: Recall the differences between the lock types.
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Challenge Problems
Push your limits with advanced challenges
Develop a diagram that illustrates a deadlock scenario involving two transactions in a Two-Phase Locking system.
💡 Hint: Draw a two-way arrow between the transactions representing their waiting states.
Analyze how the implementation of Strict Two-Phase Locking would affect transaction throughput in a high-demand environment.
💡 Hint: Judging performance involves considering both speed and reliability.
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Reference links
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