DATABASE SYSTEM CONCEPTS (LOOSELEAF)
7th Edition
ISBN: 9781260515046
Author: SILBERSCHATZ
Publisher: MCG
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Chapter 19, Problem 10PE
Explanation of Solution
Dealing with the difficulty:
Recovery schemes are normally used for detecting failures and restoring the
It is more difficult to recover from interactive transactions than batch transactions because of the following reasons:
- Some actions in interactive transactions cannot be recovered.
- For example, consider a write statement used by an ATM machine to dispense money to a customer.
- One way to deal with such statements are by writing all the statements at the end of the transaction.
- Hence, no harm will be done even if the transaction aborts anywhere from the beginning to the end...
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Chapter 19 Solutions
DATABASE SYSTEM CONCEPTS (LOOSELEAF)
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