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S : R1(x ) R2(x ) W1(x ) W2(x);
Transactions can commit any place after their last operation executed. The number of statements are
correct schedule (s) __________.
1. S is conflict serializable schedule.
2. S is view serializable schedule
3. S is recoverable schedule
4. S is cascadeless Rollback, Recoverable schedule
5. S is strict recoverable schedule.

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