serial and serializable schedules. same effect and output as some serial execution of the transactions V All serial schedules are serializable, but not necessarily the reverse V In general Data management 3 Exercise 1 � solution (1) • S2 is a serial schedule, so it is trivially view-serializable (of course it is view-equivalent to itself). ABORTING CONFLICTING TRANSACTIONS IN AN STM PPOPP’09 2/17/2009 Hany Ramadan, Indrajit Roy, Emmett Witchel University of Texas at Austin. Maurice Herlihy Consider the following schedule. Show if it is conflict serializable (CSR) or view serializable (VSR). Explain why. If serializable, show equivalent serial schedules Problem 4 (15 points) Which of the following schedules is serializable For each serializable schedule, determine the equivalent serial schedule. Schedules • Transaction consists of a set of read and write operations •Other computations as well, but reads and writes are critical, since they A schedule is conflict-serializable if we can obtain a serial schedule by Are there any serial schedules that must be equivalent, while not conflict equiv- alent
interleaving operations of transactions as much as possible for performance. - some interleaved schedules are equivalent to serial schedules serializable
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