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Subject: Distributed Databasebe

Please solve both parts as this is single qs and both parts are related. Solve it when you are sure about both.

a)

Several problems occur when concurrent transactions are executed in uncontrolled manner. Identify these problems and then discuss how they occur.

b)

A transaction goes through many different states throughout its life cycle. Draw the transaction states diagram, label its nodes and edges properly and elaborate the functionality of each state.