Virtual Information in Data-Base Systems (Classic Reprint) - Hardcover

Jeffrey J. Folinus

9780332500683: Virtual Information in Data-Base Systems (Classic Reprint)

Hardcover

ISBN 10: 0332500683 ISBN 13: 9780332500683

Publisher: Forgotten Books, 2018

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Excerpt from Virtual Information in Data-Base Systems

Data relationships in recent information structuring models, however, essentially group and categorize data in some static fashion in the data base. But relationships can also be defined in a procedural fashion. An example of such an item is age. 'for example, to maintain a completely accurate value of someone's age, it would have to be updated continuously. Therefore, rather than assigning a particular stored Value to the data item age, it might be preferable to define it procedurally as current date minus data of birth. This leads directly to the idea that a model of information should allow not only static, grouping relationships.

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