User enters first, last name and ID number, on client side, communicates with server using socket. Server connects database to check the information and send the result to client. After that the server connects to database, the customer s information is displaying on the screen, then can select product and place order. Check product information User click name of product on the screen. Client side communicates with server using socket.
Server checks the information and sends the result to client.
After that the client and server communicate each other. Client selects product name to get the quote of that product. Product information for those orders has been processed. This information is important for salesperson to recognize loyal customers. 3.3.8 Maintenance Database Management person may use this function to find any product that sort by manufacturer, model, productID, etc.