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Briefly discuss deferred database modification technique. <То, А, 950> <То, В, 2050> (c) <То, А, 950> <То, В, 2050> <То, А, 950> <То, В, 2050» (а) (b) Add lock and unlock instructions to transactions T1 and T2, so that they observe the two- phase locking protocol. Can the execution of these transactions result in a deadlock? Above is the scenario as it appears at three instances of time. Assume that crash has been occurred what the system supposed to do in all three situations.

Briefly discuss deferred database modification technique. <То, А, 950> <То, В, 2050> (c) <То, А, 950> <То, В, 2050> <То, А, 950> <То, В, 2050» (а) (b) Add lock and unlock instructions to transactions T1 and T2, so that they observe the two- phase locking protocol. Can the execution of these transactions result in a deadlock? Above is the scenario as it appears at three instances of time. Assume that crash has been occurred what the system supposed to do in all three situations.

Computer Networking: A Top-Down Approach (7th Edition)
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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Briefly discuss deferred database modification technique. <To start> <То, А, 950> <То, В, 2050> <To commit> <T¡ start> <Ti, С, 600> <T¡ commit> (c) <To start> <То, А, 950> <То, В, 2050> <To start> <То, А, 950> <То, В, 2050> <To commit> <T¡ start> <Ti, С, 600> (а) (b) Add lock and unlock instructions to transactions T1 and T2, so that they observe the two- phase locking protocol. Can the execution of these transactions result in a deadlock? Above is the scenario as it appears at three instances of time. Assume that crash has been occurred what the system supposed to do in all three situations.
Transcribed Image Text:Briefly discuss deferred database modification technique. <To start> <То, А, 950> <То, В, 2050> <To commit> <T¡ start> <Ti, С, 600> <T¡ commit> (c) <To start> <То, А, 950> <То, В, 2050> <To start> <То, А, 950> <То, В, 2050> <To commit> <T¡ start> <Ti, С, 600> (а) (b) Add lock and unlock instructions to transactions T1 and T2, so that they observe the two- phase locking protocol. Can the execution of these transactions result in a deadlock? Above is the scenario as it appears at three instances of time. Assume that crash has been occurred what the system supposed to do in all three situations.
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