Database Concepts (7th Edition)
7th Edition
ISBN: 9780133544626
Author: David M. Kroenke, David J. Auer
Publisher: PEARSON
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Chapter 6, Problem 6.12RQ
Program Plan Intro
Locks:
In order to avoid accessing the content or obtaining the copies of the same rows or table by multiple applications, a technique called resource locking is used to overcome this problem.
Resource locking is technique which prevents the concurrent processing problems which blocks the sharing of resources or databy locking the resources or data.
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Explain the difference between an explicit lock and an implicit lock.
Explain the distinction between an explicit and an implicit lock.
Under what circumstances would it be reasonable to assume that two select statements from the same database are consistent with one another?
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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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, computer-science and related others by exploring similar questions and additional content below.Similar questions
- What circumstances warrant the presumption that two select statements culled from the same database are in agreement with one another?arrow_forwardIn what circumstances does it make sense to assume that two select statements from the same database are consistent with one another?arrow_forwardWhen it comes to union, just where does it make the most sense to make the argument that two select statements drawn from the same database are consistent with one another?arrow_forward
- There is a possibility that the referential integrity of a database might be violated, which would have very negative repercussions. Which of the following do you consider to be some of the most common mistakes that you make?arrow_forwardIt's possible that the referential integrity of a database may be compromised, which would have disastrous effects. What are some of the most frequent errors that you find yourself making?arrow_forwardIt's possible that the referential integrity of a database may be compromised, which would have disastrous effects. What are among the most frequent errors that you find yourself making?arrow_forward
- When would it be reasonable to make the assumption that two select statements drawn from the same database are consistent with one another? What type of circumstances would warrant such a reasonable assumption?arrow_forwardWhat consequences do broken references in a database have? Where do you typically go wrong?arrow_forwardWhat is the distinction between optimistic and pessimistic locking?arrow_forward
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