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Question
In early computer file systems, a(n) ___________________________________ was hired to create a computer-based system that would track data and produce required reports.Answer
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Structural dependence exists when it is possible to make changes in the file structure without affecting the application program's ability to access the data.
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In most implementations, the data warehouse and OLAP are stand-alone, independent environments.
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Decision support data are a snapshot of the operational data at a given point in time.
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