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

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The implementation of linkages can be accomplished in several ways. One way the linkages can be implemented is dynamically. In a dynamic linkage, the linkage is created “on the fly” by a transaction or query. At the moment the query goes into execution, the query looks first for one part of the linkage and then for the other part. If both parts of the linkage are found, then the linkage is considered to be complete.

By making the calls to the structured and unstructured environments as a part of the query, the data that is being accessed is always accurate up to the second. The problem with a dynamic linkage is that making calls to the different environments may entail the use of a lot of resources. The calls may cost a lot of ...

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