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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is the primary purpose of using locks in databases?
💡 Hint: Think about transactions working at the same time.
Question 2
Easy
Name the two types of locks discussed.
💡 Hint: One allows reading only, while the other allows writing.
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 does the Two-Phase Locking protocol aim to prevent?
- Data loss
- Concurrence issue
- Deadlocks
💡 Hint: Think about transaction conflicts during execution.
Question 2
True or False: An Exclusive Lock allows other transactions to read the data item it is locking.
- True
- False
💡 Hint: Recall the differences between the lock types.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
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.
Question 2
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.
Challenge and get performance evaluation