Developing a Database System Essay Example | Topics and Well Written Essays - 500 words

Developing a Database System - Essay Example Retailers involved in the sale of PCs are also included for data source. Vendors are another source of data for designing of a database for PC Store. Sales reports kept in manual registers or files are the significant data source for PC Stores database design. Regarding the audience of the inventory management system linked to sales order system include the staff of inventory management, order placement staff, invoicing department, sales management, suppliers, manufacturers, and customers. Requests made by sales department on specific forms are verified by the inventory management staff. Required numbers of items or parts are processed by the order placement staff. Sales’ department collects the customers’ requirements on a specific order forms. Managers manage the day to day activities and analyze the reports and head the meetings to solve the issues. In order to build the inventory management system, information about every product of PCs, customers on every outlet are required to be managed. Customers’ information contains the attributes of name, address, phone number, email, and past transactions. Company can rank its customers on previous purchases of company’s products (Kotler et al., 2009). Product as an entity of database includes information about product name, date of arrival of product, color or model, price, and manufacturer information. It becomes easier to search the information about a product from model, price range, or date. When all data sources have been identified then a developer starts designing the database. Customer, vendor, sales department, suppliers, manufacturers, product, employees; staff and manager are necessary tables. These tables have relations such as customer to sales department, employees to sales department, suppliers to product etc. Some of the constraints like primary key, foreign key and candidate key are also used for tables. After all tables are created, and relations established, then a developer requires