Although SIX mode is useful in multiple-granularity locking, an exclusive and intend-shared (XIS) mode is of no

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Although SIX mode is useful in multiple-granularity locking, an exclusive and intend-shared (XIS) mode is of no use. Why is it useless?

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Database System Concepts

ISBN: 978-0072554816

4th Edition

Authors: Henry F. Korth, S. Sudarshan

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Question Posted: Jan 29, 2011 01:42 AM

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Although SIX mode is useful in multiple-granularity locking, an exclusive and intend-shared (XIS) mode is of no

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An exclusive lock is incompatible with any other lo...View the full answer

Database System Concepts

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