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Title: Data Warehousing

Essay Details

Subject: Technology
Author:
Date: January 29, 2016
Level: University
Grade: B
Length: 5 / 1294
No of views: 0
Essay rating: good 0, average 0, bad 0 (total score: 0)

Essay text:

In a permanent design phase, the designer has to produce and maintain a conceptual model and a usually voluminous logical schema, accompanied by a detailed physical design for efficiency reasons. The designer must also deal with data warehouse administrative processes, which are complex in structure, large in number and hard to code; deadlines must be met for the population of the data warehouse and contingency actions taken in the case of errors...

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The designer must also deal with data warehouse administrative processes, which are complex in structure, large in number and hard to code; deadlines must be met for the population of the data warehouse and contingency actions taken in the case of errors. Finally, the evolution phase involves a combination of design and administration tasks: as time passes, the business rules of an organization change, new data are requested by the end users, new sources of information become available, and the data warehouse architecture must evolve to efficiently support the decision-making process within the organization that owns the data warehouse...

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