ISRO | ISRO CS 2013 | Question 23

Which of the following is the highest isolation level in transaction management?
(A) Serializable
(B) Repeated Read
(C) Committed Read
(D) Uncommitted Read


Answer: (A)

Explanation: Serializable is the highest isolation level which guaranties the transaction to be serializable.
Serializable execution is defined to be an execution of operations in which concurrently executing transactions appears to be serially executing.

Refer: Transaction Isolation Levels in DBMS

Option (A) is the correct answer.

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