ns6 - Mark Zellner Note sheet 6 Information is becoming as...

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Mark Zellner Note sheet 6 Information is becoming as important a business resource as money, material, and people. Even though a company compiles millions of pieces of data doesn't mean it can produce information that its employees, suppliers, and customers can use. Businesses are realizing the competitive advantage they can gain by compiling useful information, not just data. Managers and workers must know and understand how databases are constructed so they know how to use the information resource to their advantage. Managers must guard against problems inherent with islands of information and understand that sometimes resolution of short-term problems is far costlier in the long term. A network data model is a variation of the hierarchical model. Take the same scenario with one parent and many children and add a father and perhaps a couple of stepparents. Now the parents aren't restricted to only one (the mother), but to many parents. That is, a parent can have many children and a child can have many parents. The
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This note was uploaded on 03/24/2010 for the course CIS 360 taught by Professor Staff during the Spring '08 term at N. Arizona.

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ns6 - Mark Zellner Note sheet 6 Information is becoming as...

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