Data bases and data warehouse
Introduction: Information resources are central to any organization’s success. And these resources are growing at an astounding rate. Data stored in digital format are multiplying everywhere on a vast array of physical media, ranging from the organization’s own computers to hosts that might be located anywhere on the planet. People understand that some information is powerful and valuable, but far more is useless junk that should be tossed. What strategy are there to manage information resources so that what is important is secure, organized, and easily accessible to managers, employees, customers, suppliers, and other stakeholders? The Nature of Information Resources: Information resources can be described as Structured information: This is reasonably ordered; in that it can be broken down into component parts and organized into hierarchies. Unstructured Information: This information has no inherent structure or order, and the parts can’t be easily linked together, except...