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Building the Unstructured Data Warehouse: Architecture, Analysis, and Design by Krish Krishnan, W. H. Inmon

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Another implementation of the linkages between the structured and the unstructured environments is one that is called a static link. In a static link, a program examines both environments and searches for the existence of a relationship. If a relationship is found, an index entry is made.

When it comes time to access the linkage, it is easy and efficient to do so. A simple query of the index will determine whether a link exists or not. The downside of a static link is that if the unstructured environment or the structured is in a state of flux, then the index that is created may not be accurate for very long. Stated differently, if many updates or insertions are being made to either the structured or the unstructured environment, ...

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