Database-Management-System
August 29, 2024Database-Management-System
August 29, 2024Database-Management-System
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Question 575
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Consider the following schedules involving two transactions.
S1: r1(X) ; r1(Y) ; r2(X) ; r2(Y) ; w2(Y) ; w1(X)
S2 : r1(X) ; r2(X) ; r2(Y) ; w2(Y) ; r1(Y) ; w1(X)
Which one of the following statements is correct with respect to above ?
S1: r1(X) ; r1(Y) ; r2(X) ; r2(Y) ; w2(Y) ; w1(X)
S2 : r1(X) ; r2(X) ; r2(Y) ; w2(Y) ; r1(Y) ; w1(X)
Which one of the following statements is correct with respect to above ?
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Both S1 and S2 are conflict serializable.
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Both S1 and S2 are not conflict serializable.
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S1 is conflict serializable and S2 is not conflict serializable.
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S1 is not conflict serializable and S2 is conflict serializable.
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Question 575 Explanation:
Correct Answer: D
Question 575 Explanation: