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The recovery system rolls back transaction T1. Given the following schedule, complete the recovery log. Schedule T1 read Y Recovery Log Pick Pick Y=8*Y
The recovery system rolls back transaction T1. Given the following schedule, complete the recovery log. Schedule T1 read Y Recovery Log Pick Pick Y=8*Y write Y read X X-X-5 write X rollback rollback T start T undo T, XID, Xoriginal undo Ti, YID, Yoriginal update T, XID, Xoriginal, Xnew update T, YID, Yoriginal, Ynew Pick 2 3 ~ + 4
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Human Centered And Error Resilient Systems Development Ifip Wg 13 2/13 5 Joint Working Conference 6th International Conference On Human Centered
Authors: Cristian Bogdan ,Jan Gulliksen ,Stefan Sauer ,Peter Forbrig ,Marco Winckler ,Chris Johnson ,Philippe Palanque ,Regina Bernhaupt ,Filip Kis
1st Edition
331944901X, 978-3319449012
