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Online Test - 4 Database Management System
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Which of the following scenarios may lead to an irrecoverable error in a database system?
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A
A transaction reads a data item after it is written by an uncommitted transaction.
💡 Explanation:
Option 3 is a normal operation.
Option 2 is also fine as no write operation is involved.
Option 1 can be recovered, but option 4 can’t be.