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Databases System. The complete book. Exercise 17.2.4. The following is a sequence of undo-log records written by two transactions T and U : < START
Databases System. The complete book. Exercise 17.2.4. The following is a sequence of undo-log records written by two transactions T and U:
< START T>;
The question: Describe the action of the recovery manager, including changes to both disk and the log, if there is a crash and the last log record to appear on disk is:
(a) < START U> (b)
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