Database Concepts (8th Edition)
8th Edition
ISBN: 9780134601533
Author: David M. Kroenke, David J. Auer, Scott L. Vandenberg, Robert C. Yoder
Publisher: PEARSON
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Question
Chapter 6, Problem 6.23RQ
Program Plan Intro
Consistency:
A transaction which proceeds to the valid state of data or if any failure occurs, it returns all the data to its state at the point where the transaction begins.
- It stands for correctness and ensures that any transaction will carry the
database from one valid to state to another valid state. - Application programmer is responsible for maintaining the consistency.
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Discuss the concept of serializability and how it relates to ensuring data consistency in concurrent transactions.
How does the "serializability" property ensure transaction correctness?
Describe the concept of distributed transactions and the challenges they pose in maintaining data consistency.
Chapter 6 Solutions
Database Concepts (8th 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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Similar questions
- SQL databases conform to ACID properties. Briefly describe the ACID properties, and state the purpose of each. How does conformance to ACID properties affect the performance of SQL databases?arrow_forwardDiscuss the role of concurrency control in a Distributed DBMS. How can distributed transactions be managed to ensure data consistency across multiple sites?arrow_forwardExplain the concept of distributed transaction management in a Distributed DBMS. How are distributed transactions different from local transactions, and what are the key challenges in ensuring transactional consistency?arrow_forward
- Explain the concept of distributed transactions and two-phase commit (2PC) in distributed DBMS. What are the challenges and potential solutions for ensuring transactional consistency in a distributed environment?arrow_forwardDescribe the role of concurrency control and transaction management in a Distributed DBMS. How do distributed transactions differ from centralized transactions in terms of coordination and isolation levels?arrow_forwardWhy is it important to maintain "serializability" in concurrent transactions?arrow_forward
- What role do "isolation levels" play in determining the visibility of uncommitted changes during transactions?arrow_forwardDiscuss the concept of distributed transactions and the protocols used to maintain transaction consistency across multiple distributed databases.arrow_forwardWhy is "deadlock detection" important in concurrent transactions?arrow_forward
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