Explanation:Shared (S) locks on a resource are released as soon as the data has been read. 4. Which is the most restrictive isolation level in transaction ?
A. Repeatable Read
B. Snapshot
C. Read Committed
D. SERIALIZABLE
Answer:A
Explanation:Shared (S) locks on a resource are released as soon as the data has been read. 4. Which is the most restrictive isolation level in transaction ?
A. Repeatable Read B. Snapshot C. Read Committed D. SERIALIZABLE