What is a deadlock, and how can it be avoided? Discuss several strategies for dealing with deadlocks.
Answer to relevant QuestionsWhy might it take a long time to complete transactions when an optimistic approach to concurrency control is used?Suppose that your database system has failed. Describe the database recovery process and the use of deferred-write and write-through techniques.Write the SQL statements that might be used in transaction management and explain how they work.What database statistics measurements are typical of tables, indexes, and resources?What indexes should you create? Write the required SQL commands.
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