Database Concepts (7th Edition)
7th Edition
ISBN: 9780133544626
Author: David M. Kroenke, David J. Auer
Publisher: PEARSON
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Textbook Question
Chapter 6, Problem 6.28RQ
Explain what serializable isolation level is. Give an example of its use.
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Mention the various levels of lock granularity in a database.
When you think about a bank's database, think about how the database system uses "snapshot isolation." People at the bank might have trouble when a non-serializable execution happens, which would be bad for them.
"Snapshot isolation" of airline databases is one example. Is it acceptable to use a non-serialization technology if airlines can do better?
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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- 6. When many-to-many relationships are present in a RDBMS, they are broken into two or more one-to-many relationships to enforce data integrity and avoid more than one piece of data being stored in each field. T or Farrow_forwardHow can the integrity of serialized data be verified upon deserialization?arrow_forwardWhat role does "SSL pinning" play in securing database connections?arrow_forward
- Mention the many granularities that may be applied to locks in a database.arrow_forwardIn what scenarios would a database use write-ahead logging (WAL)?arrow_forwardTake airline database "snapshot isolation" as an example. Is it reasonable to use a technique that doesn't work well with serialization if airlines are able to improve their overall performance?arrow_forward
- Explain the importance of "write-ahead logging" in the context of transaction recovery.arrow_forwardIt would be very appreciated if you could help us find our check. SSMS makes use of the database server's expensive query CPU.arrow_forwardHow do SSL/TLS protocols ensure the security of database connections?arrow_forward
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