Most grocery stores use inventory management software, which manages stock lists in real-time. This software scans products in when received at the backdoor. Then keeps track of what gets sold through the register. The inventory software facilitates the processes of maintaining the appropriate level of stock in a warehouse. Inventory control identifies inventory requirements, sets targets, provides replenishment techniques and options, monitors item usages, reconciles the inventory balances, and reports inventory status. The logical architecture of ERP system is shown below, you are required to discuss in detail following questions keeping in mind functional module of inventory management of a grocery store What kind of possible ‘Client User Interface Application’ will be used for inventory? Furthermore, you are required to draw or paste important screen shots of a possible ‘Client User Interface Application’.  Discuss any two ‘Core Business Logic’ with respect to security and access control mechanism for inventory.  Identify and explain the necessary entities for the inventory management system for the data layer.  (Answer should be logical and according to question and case study

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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.