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Three transactions to update inventory A,B, and C : Suppose that a crash occurs right after the log record with asterisks () next to it
Three transactions to update inventory A,B, and C : Suppose that a crash occurs right after the log record with asterisks () next to it is written to disk (time 13 ), and the recovery procedure is then run. a) Please replace question market (?) with the number inventory for products A,B, and C (6 points) b) Which transactions get roll back? Which ones get roll forward? Why? (6 points)
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