Factless fact tables may apply when:
A) we are deleting sales.
B) we are tracking sales.
C) we are taking inventory of the set of possible occurrences.
D) we are deleting correlated data.
Correct Answer:
Verified
Q19: The key discovery that triggered the development
Q20: An operational data store (ODS) is a(n):
A)
Q21: The level of detail in a fact
Q22: _ duplicates data across databases.
A) Data propagation
B)
Q23: Which of the following is NOT an
Q25: Data federation is a technique which:
A) creates
Q26: A database action that results from a
Q27: All of the following are ways to
Q28: A class of database technology used to
Q29: Grain and duration have a direct impact
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