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Suppose a deadlock occurs in the schedule S given below.

 

S: l1(A),l3(D),l1(B),u1(A),l2(C),l2(B),l1(D),l2(B),l3(C),l4(A),l4(C),l5(A)

 

A transaction that causes the least number of cascading rollbacks is

decided to be chosen as victim, then which of the following transaction

cannot be chosen as a victim?

 

1. T3

 

2. T2

 

3. T1

 

4. Cannot be decided
in Databases by (249 points) | 31 views

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