1
GATE CSE 2003
MCQ (Single Correct Answer)
+2
-0.6
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. GATE CSE 2003 Database Management System - Transactions and Concurrency Question 24 English

Which of the following statements is correct?

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
2
GATE CSE 1999
MCQ (Single Correct Answer)
+2
-0.6
For the schedule given below, which of the following is correct: GATE CSE 1999 Database Management System - Transactions and Concurrency Question 25 English
A
This schedule is serialized and can occur in a scheme using 2PL protocol
B
This schedule is serializable but cannot occur in a scheme using 2PL protocol
C
This schedule is not serializable but can occur in a scheme using 2PL protocol
D
This schedule is not serializable and cannot occur in a scheme using 2PL protocol.
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Graduate Aptitude Test in Engineering
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CBSE
Class 12