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____________ denotes the largest timestamp of any transaction that executed write(Q) successfully.

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____________ denotes the largest timestamp of any transaction that executed write(Q) successfully.

(a) W-timestamp(Q)

(b) R-timestamp(Q)

(c) RW-timestamp(Q)

(d) WR-timestamp(Q)

I had been asked this question during an interview.

This interesting question is from Multiple Granularity in division Concurrency Control of Database Management

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Correct answer is (a) W-timestamp(Q)

Easy explanation - The most common method for doing ordering transaction is to use a timestamp-ordering scheme.

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