Computer Science: An Overview: Global Edition (12th Edition)

Published by Pearson Higher Education
ISBN 10: 1292061162
ISBN 13: 978-1-29206-116-0

Chapter 9 - Database Systems - Section 9.4 - Maintaining Database Integrity - Questions & Exercises - Page 438: 4

Answer

a. If no other transaction has exclusive access, the shared access will be granted. b. If another transaction already has some form of access, the database management system will normally make the new transaction wait, or it could roll back the other transactions and give access to the new transaction.

Work Step by Step

a. If no other transaction has exclusive access, the shared access will be granted. b. If another transaction already has some form of access, the database management system will normally make the new transaction wait, or it could roll back the other transactions and give access to the new transaction.
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