*provide some content and list of recent data of cybercrime in ecommerce in bangladesh (it can be customer data,website data,etc). *how from will result this data of cybercrime. Write details with content by own, not copy to anywhere.

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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.