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The unique identifier of the transaction that performed the write operation is called as _______(a) Transaction identifier(b) Data-item identifier(c) Old value(d) New valueThe question was asked during an interview.The question is from Recovery and Atomicity in chapter Recovery System of RDBMS

Answer»

Right answer is (a) Transaction IDENTIFIER

For explanation I WOULD SAY: The unique identifier of the transaction that PERFORMED the write OPERATION is called as transaction identifier. This is a field in the update log record.



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