If deadlock is avoided by deadlock avoidance schemes, is starvation still possible? Explain your answer.
Answer to relevant QuestionsExplain the phantom phenomenon. Why may this phenomenon lead to an incorrect concurrent execution despite the use of the two-phase locking protocol? Compare the deferred- and immediate-modification versions of the log-based recovery scheme in terms of ease of implementation and overhead cost. Explain the benefits of logical logging. Give examples of one situation where logical logging is preferable to physical logging and one situation where physical logging is preferable to logical logging.Instead of storing shared structures in shared memory, an alternative architecture would be to store them in the local memory of a special process, and access the shared data by interprocess communication with the process. ...Discuss the relative advantages of centralized and distributed databases.
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