Engineering
Computer ScienceDatabase Systems: Design, Implementation, & ManagementWhy might it take a long time to complete transactions when using an optimistic approach to concurrency control?

Why might it take a long time to complete transactions when using an optimistic approach to concurrency control?

BuyFind

Database Systems: Design, Implemen...

12th Edition
Carlos Coronel + 1 other
Publisher: Cengage Learning
ISBN: 9781305627482
BuyFind

Database Systems: Design, Implemen...

12th Edition
Carlos Coronel + 1 other
Publisher: Cengage Learning
ISBN: 9781305627482

Solutions

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Chapter 10, Problem 15RQ
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Why might it take a long time to complete transactions when using an optimistic approach to concurrency control?

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Chapter 10 Solutions

Database Systems: Design, Implementation, & Management
Ch. 10 - Explain the following statement: A transaction is...Ch. 10 - What is a consistent database state, and how is it...Ch. 10 - The DBMS does not guarantee that the semantic...Ch. 10 - List and discuss the four individual transaction...Ch. 10 - What does serializability of transactions mean?Ch. 10 - What is a transaction log, and what is its...Ch. 10 - What is a scheduler, what does it do, and why is...Ch. 10 - What is a lock, and how does it work in general?Ch. 10 - What are the different levels of lock granularity?Ch. 10 - Why might a page-level lock be preferred over a...
Ch. 10 - What is concurrency control, and what is its...Ch. 10 - What is an exclusive lock, and under what...Ch. 10 - What is a deadlock, and how can it be avoided?...Ch. 10 - What are some disadvantages of time stamping...Ch. 10 - Why might it take a long time to complete...Ch. 10 - What are the three types of database-critical...Ch. 10 - What are the four ANSI transaction isolation...Ch. 10 - Suppose that you are a manufacturer of product...Ch. 10 - Describe the three most common problems with...Ch. 10 - What DBMS component is responsible for concurrency...Ch. 10 - Using a simple example, explain the use of binary...Ch. 10 - Suppose that your database system has failed....Ch. 10 - ABC Markets sell products to customers. The...Ch. 10 - Create a simple transaction log (using the format...Ch. 10 - Assuming that pessimistic locking is being used...Ch. 10 - Assuming that pessimistic locking is being used...Ch. 10 - Assuming that pessimistic locking is being used...Ch. 10 - Assuming that pessimistic locking with the...

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