Database System Concepts
7th Edition
ISBN: 9780078022159
Author: Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher: McGraw-Hill Education
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Expert Solution & Answer
Chapter 23, Problem 3PE
Explanation of Solution
2PC ensuring transaction atomicity:
- Consider two PC’s for which a failure occurs during the transmission of data, which can guarantee commit and abort instead of site and link failure.
- Only the coordinator of a transaction can perform commit and abort operations.
- This transaction can happen only on coordinator's decision either directly or indirectly from the site.
- Consider two cases, one for site aborting and other for site committing.
Case-1:
Under following circumstance, the transaction T can be aborted by using the message:
- If a log does not contain ready or commit message, then only the coordinator can make a decision to abort the transaction...
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What is the ALU result if the 4-bit ALU Control signal is 0100? What happens if the ALU Control signal is 0101?
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1. [20 pts] What is the output of the program? Please explain why.
2. [15 pts] What is the gdb command to set a breakpoint in line 6 (p
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3. [15 pts] Explain in your own words how the [break.
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Please run and debug the following program and answer the questions.
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