In a data warehouse,_____ means collecting data from a variety of sources and converting it into a format that can be used in transformation processing.
A) extraction
B) transformation
C) optimization
D) aggregation
Correct Answer:
Verified
Q43: A data _ is a collection of
Q48: The _ component of a database management
Q49: The component that is used to design
Q51: The _ approach,used to set up a
Q53: A database administrator is responsible for _.
A)developing
Q56: A(n)_ is not limited by the data's
Q57: The _ component of a database management
Q60: The _ component of a database management
Q61: Data warehouses are sometimes called hypercubes because
Q61: A _ is usually a smaller version
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