Database Concepts (7th Edition)
7th Edition
ISBN: 9780133544626
Author: David M. Kroenke, David J. Auer
Publisher: PEARSON
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Expert Solution & Answer
Chapter 6, Problem 6.17RQ
Explanation of Solution
Deadlock:
- Deadlock occurs when the requested data is being used by multiple users, this specifies that two or more users trying to access a data that is being currently utilized by some other user.
- It generally occurs in a situation when one is waiting for the resource for an indefinite period of time. But eventually, that resource is waiting for another event to occur. This problem is called as deadlock.
- It will occur when multiple transactions locked the same resources and each of the transaction is waiting for the unlocking moment of the resource.
There are two ways of managing deadlocks, which are as given below:
- The deadlock situation can be prevented once before it occurs or it can be resolved once it has occurred.
- The below indicates how the deadlock situation can be prevented and resolved in detail:
Deadlock Prevention:
- Deadlock can be prevented by making the user to request the locks that are necessary at a particular time such that it ensures that data is either accessed or it will be avoided completely.
- The access order of the resources is being set which ensures that the data requested will be available at the time of request...
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Check out a sample textbook solutionStudents have asked these similar questions
How do the methods for preventing deadlock and avoiding it differ from one another?
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Chapter 6 Solutions
Database Concepts (7th Edition)
Ch. 6 - Prob. 6.1RQCh. 6 - Explain how database administration tasks vary...Ch. 6 - Prob. 6.3RQCh. 6 - Prob. 6.4RQCh. 6 - Prob. 6.5RQCh. 6 - Prob. 6.6RQCh. 6 - Prob. 6.8RQCh. 6 - Prob. 6.9RQCh. 6 - Prob. 6.10RQCh. 6 - Prob. 6.11RQ
Ch. 6 - Prob. 6.12RQCh. 6 - Prob. 6.13RQCh. 6 - Prob. 6.14RQCh. 6 - Prob. 6.15RQCh. 6 - Prob. 6.16RQCh. 6 - Prob. 6.17RQCh. 6 - Prob. 6.18RQCh. 6 - Explain the benefits of marking transaction...Ch. 6 - Explain the use of the SQL transaction control...Ch. 6 - Prob. 6.21RQCh. 6 - Describe statement-level consistency.Ch. 6 - Prob. 6.23RQCh. 6 - Prob. 6.24RQCh. 6 - Prob. 6.25RQCh. 6 - Prob. 6.26RQCh. 6 - Prob. 6.27RQCh. 6 - Explain what serializable isolation level is. Give...Ch. 6 - Explain the term cursor.Ch. 6 - Prob. 6.30RQCh. 6 - What is the advantage of using different types of...Ch. 6 - Explain forward-only cursors. Give an example of...Ch. 6 - Explain static cursors. Give an example of their...Ch. 6 - Prob. 6.34RQCh. 6 - Prob. 6.36RQCh. 6 - Prob. 6.37RQCh. 6 - Describe the advantages and disadvantages of...Ch. 6 - Prob. 6.40RQCh. 6 - Prob. 6.41RQCh. 6 - Prob. 6.42RQCh. 6 - Prob. 6.44RQCh. 6 - Prob. 6.45RQCh. 6 - What is the advantage of making frequent...Ch. 6 - Summarize a DBAs responsibilities for managing...Ch. 6 - Prob. 6.48RQCh. 6 - Prob. 6.49RQCh. 6 - Prob. 6.50E
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- Is there any way to identify the two concepts of deadlock avoidance and prevention apart?arrow_forwardWhat are the differences between avoiding stalemate and avoiding it?arrow_forwardExplore advanced deadlock avoidance techniques such as the Wait-Die and Wound-Wait schemes. How do these schemes work, and under what conditions are they most effective?arrow_forward
- A deadlock requires reciprocal exclusion, no preemption, a cyclic wait, and a deadlock.arrow_forwardIs it possible that the world of cybercrime may provide us with any pointers in terms of innovative thinking and logical, deductive reasoning?arrow_forwardWhat is the difference between deadlock prevention anddeadlock resolution?arrow_forward
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