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Study Stuff for MCA Examinations - NIMCET
Study Stuff for MCA Examinations - NIMCET
Previous Year Question (PYQs)
Considering the following statements:
A. A non-serial schedule is said to be conflict-serializable, if it is conflict-equivalent to some serial schedule.
B. A non-serial schedule is said to be view serializable if it is view-equivalent to some serial schedule.
C. A schedule is said to be serial, if instructions of participating transactions are chronologically interleaved with each other.
D. A conflict-serializable schedule will be view-serializable also but vice-versa may not be true.
Solution
A True (definition of conflict serializability).
B True (definition of view serializability).
C False — a serial schedule has no interleaving; one transaction completes before the next starts.
D True — conflict-serializable ⇒ view-serializable, but not every view-serializable schedule is conflict-serializable.
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