On the other hand a destination driven architecture

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On the other hand, a destination-driven architecture has the Following advantages. In a source-driven architecture, the source has to be active and must handle error conditions such as not being able to contact the warehouse For some time. It is easier to implement passive sources, and a single active warehouse. In a destination-driven architecure, each source is required to provide only a basic Functionality oF executing queries. The warehouse has more control on when to carry out data gath- ering activities, and when to process user queries; it is not a good 1
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2 Chapter 20 Data Analysis and Mining idea to perform both simultaneously, since they may conFict on locks. 20.2 Whyiscolumn-orientedstoragepotentiallyadvantageousinadatabase system that supports a data warehouse? Answer: No Answer 20.3 Suppose that there are two classi±cation rules, one that says that people with salaries between $10,000 and $20,000 have a credit rating of good , and another that says that people with salaries between $20,000 and $30,000 have a credit rating of good . Under what conditions can the rules be replaced, without any loss of information, by a single rule that says people with salaries between $10,000 and $30,000 have a credit rating of good ? Answer:
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On the other hand a destination driven architecture has the...

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