Question: Problem 4: Transaction and concurrency control Consider a locking system that may result in an interleaving as following: (a) Is this interleaving serially equivalent? Briefly

Problem 4: Transaction and concurrency control Consider a locking system that may result in an interleaving as following: (a) Is this interleaving serially equivalent? Briefly explain your answer. (b) Whats the flaw of the above locking system? And can you fix it such that serially equivalent can be guaranteed? Briefly explain your answer.

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