One example of a data aggregation is to gather information about particular groups based on specific variables such as age, profession, or income.
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Q26: Which of the following is a problem
Q27: The complete removal of dirty data from
Q28: Which of the following is a problem
Q29: A data mart contains a subset of
Q30: ETL, within a data warehouse model, stands
Q32: A data warehouse is a logical collection
Q33: A data miner contains a subset of
Q34: A data warehouse is a central location
Q35: According to Gartner Inc., dirty data is
Q36: A central location in which data is
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