The purpose of a ________ is to extract data from operational systems and other sources,clean the data,and store and catalog that data for processing by business intelligence tools.
A) data mart
B) data centre
C) data room
D) data warehouse
Correct Answer:
Verified
Q5: Problematic data are termed dirty data.
Q23: External data purchased from outside resources are
Q25: A _ is a data collection that
Q26: Users in a data mart obtain data
Q27: _ refers to the level of detail
Q28: A data warehouse is a facility for
Q29: The use of an organisation's operational data
Q31: Which of the following statements is true
Q31: If the granularity of certain data is
Q32: Which of the following statements is true
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