Transaction is an action or series of actions the execution of which should lead to a consistent database state from another consistent database state. Discuss which properties that transactions should have for their correct executions. Provide two examples to support your answer.

Q: advantages

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Concurrency Control

The simultaneous occurrence of two or more operations is called concurrence and the situation is called concurrency. In concurrency, the function of one operation can affect the function of the other and put data integrity at risk. Hence, management for the control of concurrency is required. The management or controlling system in the Database Management System (DBMS) that coordinates concurrent access is called the concurrency control system.