Consider amultithreaded process that deliversmessages froma durable queue of persistent messages. Different threads may run concurrently, attempting

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Consider amultithreaded process that deliversmessages froma durable queue of persistent messages. Different threads may run concurrently, attempting to deliver different messages. In case of a delivery failure, the message must be restored in the queue. Model the actions that each thread carries out as a multilevel transaction, so that locks on the queue need not be held till a message is delivered.

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Database System Concepts

ISBN: 978-0072554816

4th Edition

Authors: Henry F. Korth, S. Sudarshan

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