Operational data are commonly stored in many tables, and the stored data represents information about a given _____ only.
A) transaction
B) database
C) table
D) concept
Correct Answer:
Verified
Q19: A star schema is designed to optimize
Q20: A data store is used by data
Q21: _ provide a unified, single point of
Q22: The attribute hierarchy provides a top-down data
Q23: The _ schema must support complex (non-normalized)
Q25: A(n) _ is optimized for decision support
Q26: _ can serve as a test vehicle
Q27: _ tools focus on the strategic and
Q28: The basic star schema has four components:
Q29: From a data analyst's point of view,
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