1. a. Summarize the possible results of a transaction requesting shared access to an item in a database. b. Summarize the possible results of a transaction requesting exclusive access to an item in a database. 2. Describe a sequence of events that would lead to deadlock among transactions performing operations on a database system. 3. Describe how the deadlock in your answer could be broken. Would your solution require use of the database management systems log? Explain your answer.
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