Question: Q 6 . Cosnsider the following locking, protocol. All items are numbered, and once an item is unlocked, only higher - numbered items may be

Q6. Cosnsider 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.
Q6. Cosnsider the following locking, protocol. All items are numbered, and

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