Transaction: A transaction is a small set of changes which must be made to the database . The transaction done to the database may or may not affect the changes to the content of the database. The execution takes place as a single unit. Locks: Resource locking is a technique which prevents the concurrent processing problems and it blocks the sharing of resources or data by locking the resources or data. Locks can be invoked in two basic styles: Optimistic locking Pessimistic locking

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Answer 1

Question

Chapter 6, Problem 6.18RQ

Program Plan Intro

Transaction:

A transaction is a small set of changes which must be made to the database. The transaction done to the database may or may not affect the changes to the content of the database. The execution takes place as a single unit.

Locks:

Resource locking is a technique which prevents the concurrent processing problems and it blocks the sharing of resources or data by locking the resources or data.

Locks can be invoked in two basic styles:

Optimistic locking

Pessimistic locking

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Answer 2

Question

Chapter 6, Problem 6.18RQ

Program Plan Intro

Transaction:

A transaction is a small set of changes which must be made to the database. The transaction done to the database may or may not affect the changes to the content of the database. The execution takes place as a single unit.

Locks:

Resource locking is a technique which prevents the concurrent processing problems and it blocks the sharing of resources or data by locking the resources or data.

Locks can be invoked in two basic styles:

Optimistic locking

Pessimistic locking

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Answer 3

Question

Chapter 6, Problem 6.18RQ

Program Plan Intro

Transaction:

A transaction is a small set of changes which must be made to the database. The transaction done to the database may or may not affect the changes to the content of the database. The execution takes place as a single unit.

Locks:

Resource locking is a technique which prevents the concurrent processing problems and it blocks the sharing of resources or data by locking the resources or data.

Locks can be invoked in two basic styles:

Optimistic locking

Pessimistic locking

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Answer 4

Question

Chapter 6, Problem 6.18RQ

Program Plan Intro

Transaction:

A transaction is a small set of changes which must be made to the database. The transaction done to the database may or may not affect the changes to the content of the database. The execution takes place as a single unit.

Locks:

Resource locking is a technique which prevents the concurrent processing problems and it blocks the sharing of resources or data by locking the resources or data.

Locks can be invoked in two basic styles:

Optimistic locking

Pessimistic locking

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Answer 5

Chapter 6, Problem 6.18RQ

Program Plan Intro

Transaction:

A transaction is a small set of changes which must be made to the database. The transaction done to the database may or may not affect the changes to the content of the database. The execution takes place as a single unit.

Locks:

Resource locking is a technique which prevents the concurrent processing problems and it blocks the sharing of resources or data by locking the resources or data.

Locks can be invoked in two basic styles:

Optimistic locking

Pessimistic locking

Answer 6

Chapter 6, Problem 6.18RQ

Program Plan Intro

Transaction:

A transaction is a small set of changes which must be made to the database. The transaction done to the database may or may not affect the changes to the content of the database. The execution takes place as a single unit.

Locks:

Resource locking is a technique which prevents the concurrent processing problems and it blocks the sharing of resources or data by locking the resources or data.

Locks can be invoked in two basic styles:

Optimistic locking

Pessimistic locking

Answer 7

Chapter 6, Problem 6.18RQ

Program Plan Intro

Transaction:

A transaction is a small set of changes which must be made to the database. The transaction done to the database may or may not affect the changes to the content of the database. The execution takes place as a single unit.

Locks:

Resource locking is a technique which prevents the concurrent processing problems and it blocks the sharing of resources or data by locking the resources or data.

Locks can be invoked in two basic styles:

Optimistic locking

Pessimistic locking

Answer 8

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Answer 9

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Answer 10

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Answer 11

Ch. 6 - Prob. 6.1RQ Ch. 6 - Explain how database administration tasks vary...Ch. 6 - Prob. 6.3RQ Ch. 6 - Prob. 6.4RQ Ch. 6 - Prob. 6.5RQ Ch. 6 - Prob. 6.6RQ Ch. 6 - Prob. 6.8RQ Ch. 6 - Prob. 6.9RQ Ch. 6 - Prob. 6.10RQ Ch. 6 - Prob. 6.11RQ

Solution Summary: The author explains that transaction is a small set of changes which must be made to the database. Optimistic and Pessimistic locking can be invoked in two basic styles.

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Chapter 6 Solutions