![]() ![]() The application (simple ordering system) will be ready to serve another client after CICS has released the previous order entry, and the resources are not in use. This process makes the changes last for long. That is when the CICS region commits and reflects the changes made to the database. The shipping suggestion is passed immediately after database access by the order. The CICS billing program replies to the mainframe billing program. The communication between the mainframe and the billing program is a peer to peer communication. The central billing station is the mainframe remote program. The billing program located in the CICS routes its request to the central billing station. Until all the billing transactions are successfully processed and passed to the central billing program that is when the transacted process will reflect on the database. All the transactions made are seen but not do no reflect on the database. The RDBMS terminates any transaction from occurring in the database entry. Relation database entries are reduced by the main program. ![]() The CICS region begins the task, getting resources for the task it runs the first program for the transaction that is the order entry program. It processes the new task entities while still managing the older ones. The customer information condition does more than a task. The user will not be allowed to continue if he is not qualified. The request from the GUI that was passed to the client program is directed to the CICS region, where it will be verified to check if the user is allowed to order. The program identifies the transaction to run. When a client places an order, the order entry GUI program calls the client program with an order placement request. Central billing program Information Processing ![]()
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