Which of the following occurs when a transaction rereads data and finds new rows that were inserted by a command transaction since the prior read?
Answer: B
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What are the ways of dealing with deadlock ?
Answer: D
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A transaction completes its execution is said to be
Answer: D
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Selecting the victim to be rollbacked to the previous state is determined by the minimum cost. The factors determining cost of rollback is
Answer: D
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The deadlock state can be changed back to stable state by using _____________ statement.
Answer: B
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The application of database management system in air flight seat booking in a way that one seat is accessed by only one clerk for customer reservation is classified as
Answer: A
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Performance analysis and tuning is which of the following?
Answer: D
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Which of the following could cause data to be unavailable?
Answer: D
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The Shine-Dalgarno sequence is
Answer: D
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A transaction that has not been completed successfully is called as _______
Answer: B
Aborted transaction is a state after the transaction has been rolled back and the database has been restored to the state prior to the transaction.
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