We can say that a schedule is conflict serializable?
1
If a schedule T can be transformed into a serial schedule U by a series of swaps of conflicting operations.
2
If a schedule T can be transformed into a serial schedule U by a series of swaps of nonconflicting operations.
3
If a schedule T can be transformed into a nonserial schedule U by a series of swaps of conflicting operations.
4
If a schedule T can be transformed into a nonserial schedule U by a series of swaps of nonconflicting operations.