test series

Question

What is the view equivalent serial schedule for the following schedule
R2(A); R1(A); W1(C); R3(C); W1(B); R4(B); W3(A); R4(C); W2(D); R2(B); W4(A); W4(B)

1.   T1 → T2 → T3 → T4.
2.  T2 → T1 → T3 → T4.
3.  T1 → T3 → T2 → T4.
4.  T4 → T2 → T3 → T1.

Comments

Yes @srivivek sir & @Anu sir you are correct! Got it now.

---

Even both initial reads are not conflicting operations and also allowed under Conflict serial schedule.

---

@srivivek sir & @Anu sir

thanks ...now it is clear to me...

Answer 1

Schedule is also a conflict serializable and every conflict serializable schedule is view serializable so sequence will be T1,T2,T3,T4

Comments

This is pretty easiest way to get through this question..