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Home » Quiz » Data Warehousing Quiz

In data transformation techniques, when values in a dataset are raised to a power to amplify the differences between observations, it is termed as _______ transformation.

Difficulty level
  • Exponential
  • Logarithmic
  • Polynomial
  • Square Root
Explanation:
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Data Warehousing Quiz
Quiz
In a star schema, if a dimension table contains a hierarchy of attributes (like Year > Quarter > Month), but these attributes are not broken into separate tables, this design is contrary to which schema?
An energy company has sensors all over its infrastructure. They want a real-time dashboard that alerts when any sensor value goes beyond a threshold. What feature is essential for such a dashboard?

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