Suppose two-phase locking is used, but exclusive locks are released early, that is, locking is not done
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Suppose two-phase locking is used, but exclusive locks are released early, that is, locking is not done in a strict two-phase manner. Give an example to show why transaction rollback can result in a wrong final state, when using the log based recovery algorithm.
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Related Book For
Database System Concepts
ISBN: 9780078022159
7th Edition
Authors: Abraham Silberschatz, Henry F. Korth, S. Sudarshan
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