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I and J are _________ if they are operations by different transactions on the same data item, and at least one of them is a write operation.

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I and J are _________ if they are operations by different transactions on the same data item, and at least one of them is a write operation.

(a) Conflicting

(b) Overwriting

(c) Isolated

(d) Durable

I had been asked this question during an interview.

Question is taken from Serializability topic in portion Transactions of RDBMS

1 Answer

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Right option is (a) Conflicting

Explanation: I and J are conflicting if they are operations by different transactions on the same data item, and at least one of them is a write operation.

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