Question: a) What do you understand by atomicity and durability properties in a transaction? b) Mention the problems of concurrency when we are working with transactions.

a) What do you understand by atomicity and durability properties in a transaction? b) Mention the problems of concurrency when we are working with transactions. Explain with proper examples. c) Consider the given precedence graphs below (i and ii) and find out if the schedule is conflict serializable or not. If yes, then find out all possible valid schedules.

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