Which of the following statement is/are true?
I. A transaction writes a data item after it is read by an uncommitted transaction leads to an irrecoverable error in a database system.
II. Timestamp ordering protocol does not ensure freedom from deadlock
III. In case of disk crash, Among the ACID property, the durability property fails to make changes successfully in the database1
Only I
2
Only II and III
3
I and III
4
None of these
5
Question Not Attempted