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Imagine the database does have a concurrency control mechanism in place, specifically locking. What outcomes could result from the transactions' parallel execution, in terms of

  • Imagine the database does have a concurrency control mechanism in place, specifically locking. What outcomes could result from the transactions' parallel execution, in terms of both completing successfully, one waiting for another, or deadlock? List and explain all possible outcomes and explain. If a wait or deadlock can occur, make sure to specify exactly at which steps the wait or deadlock can occur, and why.

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