Question 14219 – Transactions
November 9, 2023Question 9333 – Transactions
November 9, 2023Question 9665 – Transactions
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.
Which of the following statements is correct?
Correct Answer: D
Question 5 Explanation:
Precedence graph:
Cycle formed so not serializable.
Cycle formed so not serializable.
The schedule is serializable as T2; T3; T1
The schedule is serializable as T2; T1; T3
The schedule is serializable as T3; T2; T1
The schedule is not serializable
Subscribe
Login
0 Comments