Question
Consider the schedule S: T1:R(x) T1:W(z) T2:R(y) T1:R(y) T1:Commit T3:R(z) T2:W(x) T3:R(y) T2:W(y) T3:Commit T2:Commit 1)Is S serializable ? If so, what is the equivalent
Consider the schedule S: T1:R(x) T1:W(z) T2:R(y) T1:R(y) T1:Commit T3:R(z) T2:W(x) T3:R(y) T2:W(y) T3:Commit T2:Commit
1)Is S serializable? If so, what is the equivalent serial order? If not, explain why.
2)Suppose T1:Commit and T3:R(z) were interchanged. Is S serializable? Is it strict? Explain your answer.
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Professional SQL Server 2012 Internals And Troubleshooting
Authors: Christian Bolton, Justin Langford
1st Edition
1118177657, 9781118177655
