Which of the following is TRUE about recoverable schedules?
A. In a recoverable schedule, if a transaction T commits, then any other transaction that T read from must also have committed.
B. In a recoverable schedule, no transaction will ever be aborted because a transaction that it read from has aborted.
C. Every recoverable schedule is serializable.
D. Every cascadeless schedule is also non-recoverable.
Answer:A
Which of the following is TRUE about recoverable schedules?
A. In a recoverable schedule, if a transaction T commits, then any other transaction that T read from must also have committed. B. In a recoverable schedule, no transaction will ever be aborted because a transaction that it read from has aborted. C. Every recoverable schedule is serializable. D. Every cascadeless schedule is also non-recoverable.