Consider the following locking protocol: All items are numbered, and once an item is unlocked, only higher-numbered
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Consider the following locking protocol: All items are numbered, and once an item is unlocked, only higher-numbered items may be locked. Locks may be released at any time. Only X-locks are used. Show by an example that this protocol does not guarantee serializability.
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This protocol does not guarantee serializability because there is no way ...View the full answer
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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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