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Database-Management-System
August 29, 2024
Database-Management-System
August 29, 2024
Database-Management-System
August 29, 2024
Database-Management-System
August 29, 2024

UGC NET CS 2017 Jan- paper-3

Question 7
Consider 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 of the following statement is true?

A
Both S1 and S2 are conflict serializable.
B
S1 is conflict serializable and S2 is not conflict serializable.
C
S1 is not conflict serializable and S2 is conflict serializable.
D
Both S1 and S2 are not conflict serializable.
Question 7 Explanation: 
Correct Answer: C
Question 7 Explanation: 
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