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Database Systems: Concepts, Design and Applications by S. K. Singh

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1.8. File-Oriented System versus Database System

Computer-based data processing systems were initially used for scientific and engineering calculations. With increased complexity of business requirements, gradually they were introduced into the business applications. The manual method of filing systems of an organisation, such as to hold all internal and external correspondence relating to a project or activity, client, task, product, customer or employee, was maintaining different manual folders. These files or folders were labelled and stored in one or more cabinets or almirahs under lock and key for safety and security reasons. As and when required, the concerned person in the organisation used to search for a specific folder or file serially ...

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