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Question
Normalization is a very important database design ingredient and the highest level is always the most desirable.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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Data warehouse data are organized and summarized by table, such as CUSTOMER and ADDRESS.
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A data store is used by the data analyst to create the queries that access the database.
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