Question
Assume that the timestamp of transaction Ti is i, and an earlier transactions receives a smaller timestamp. Now, answer the following questions for schedule S:
Assume that the timestamp of transaction Ti is i, and an earlier transactions receives a smaller timestamp. Now, answer the following questions for schedule S: .
S: R1(A); R2(A); W2(B); W3(B); W1(B); C1; C2; C3
(a) How timestamp-based concurrency control protocols handle schedule S? Explain.
(b) How timestamp-based concurrency control protocols with Thomas Write Rule handle schedule S? Explain.
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Machine Learning And Knowledge Discovery In Databases European Conference Ecml Pkdd 2016 Riva Del Garda Italy September 19 23 2016 Proceedings Part 3 Lnai 9853
Authors: Bettina Berendt ,Bjorn Bringmann ,Elisa Fromont ,Gemma Garriga ,Pauli Miettinen ,Nikolaj Tatti ,Volker Tresp
1st Edition
3319461303, 978-3319461304
