3. Recoverability: Is the following schedule recoverable? Could cascading rollback happen? Explain your answer. (Format = operation(record ID)) [Note that no locking is being performed here - this is the actual order of operations] Transaction 1 Transaction 2 Transaction 3 Read(A) Read(B) Write(B) Read(A) Write(A) Commit Read(B) Commit Commit 3. Recoverability: Is the following schedule recoverable? Could cascading rollback happen? Explain your answer. (Format = operation(record ID)) [Note that no locking is being performed here - this is the actual order of operations] Transaction 1 Transaction 2 Transaction 3 Read(A) Read(B) Write(B) Read(A) Write(A) Commit Read(B) Commit Commit