Q. 38 Consider three data items D1,D2 and D3 and the following execution schedule of
transactions T1,T2 and T3. In the diagram, R(D) and W(D) denote the actions
reading and writing the data item D respectively
(A) The schedule is serializable as T2; T3;T1;
(B) The schedule is serializable as T2; T1;T3;
(C) The schedule is serializable as T3; T2; T1;
(D) The schedule is not serializable
Answer:(D)
Explanation: 
