Chapter 18: Problem 16
When are latches used?
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Key Concepts
These are the key concepts you need to understand to accurately answer the question.
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Chapter 18: Problem 16
When are latches used?
These are the key concepts you need to understand to accurately answer the question.
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What is a phantom record? Discuss the problem that a phantom record can cause for concurrency control.
Compare binary locks to exclusive/shared locks. Why is the latter type of locks preferable?
What is a timestamp? How does the system generate timestamps?
Prove that the wait-die and wound-wait protocols avoid deadlock and starvation.
What is a certify lock? What are the advantages and disadvantages of using certify locks?
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