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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is optimistic concurrency control?
💡 Hint: Think about what happens to transactions in traditional locking mechanisms.
Question 2
Easy
Name the three phases of a validation-based protocol.
💡 Hint: Remember the order in which they occur.
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 main assumption of validation-based protocols?
- Conflicts are frequent
- Conflicts are rare
- No conflicts ever occur
💡 Hint: Think about why it's called 'optimistic'.
Question 2
True or False: Validation-based protocols lock resources at the beginning of a transaction.
- True
- False
💡 Hint: Remember the three phases discussed.
Solve 2 more questions and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
If a database with high read operations switched to validation-based protocols, what would be the expected performance outcomes, and why might it still face issues?
💡 Hint: Consider the dynamics between read and write operations.
Question 2
Evaluate a scenario in which a large retail database implements optimistic concurrency and experiences increased customer traffic. Discuss the trade-offs involved.
💡 Hint: Think about how traffic affects transaction dynamics.
Challenge and get performance evaluation