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Unit 4 · Database Management Systems Paper 2 CS · June 2025

Consider 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.
Choose the correct answer from the options given below:

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Correct answer: C. A, B, D Only

Explanation

A, B and D are standard definitions/results. C is false: in a serial schedule the transactions run one after another without interleaving.

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