Routing
November 30, 2023KVS 22-12-2018 Part-A
November 30, 2023Database-Management-System
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Question 243
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Which of the following scenarios may lead to an irrecoverable error in a database system?
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A transaction writes a data item after it is read by an uncommitted transaction
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A transaction reads a data item after it is read by an uncommitted transaction
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A transaction reads a data item after it is written by a committed transaction
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A transaction reads a data item after it is written by an uncommitted transaction
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Correct Answer: D