SCHEDULING

Question

Consider the transactions T1, T2, T3 with the following schedule S:

S : T1: Read (x); T2: Read (z); T1:Read(z);

    T3:Read(x);T3:Read(y); T1:Write(x);

    T3:Write (y);T2:Read(y);

     T2:Write(z); T2:Write(y)

If the schedule S is serializable, the equivalent serial schedule is ____.

  i am getting T3T1T2 but answer given is T3T2T1

Comments

$T_3 \rightarrow T_1 \rightarrow T_2$ is correct

Answer 1

$T_{1}$	$T_{2}$	$T_{3}$
R(X)
	R(Z)
R(Z)
		R(X)
		R(Y)
W(X)
		W(Y)
	R(Y)
	W(Z)
	W(Y)