What is true of the multidimensional model?
A) It typically requires less disk storage
B) It typically requires more disk storage
C) Typical business queries requiring aggregate functions take more time
D) Increasing the size of a dimension is difficult
Correct Answer:
Verified
Q21: Which one manages historic transactions?
A)OLTP
B)OLAP
C)SPREAD SHEET
D)XML
Q22: Which of the following features usually applies
Q23: Which of the following statement is true?
A)The
Q24: The following is true of three-tier data
Q25: The following technology is not well-suited for
Q27: The most common source of change data
Q28: Which of the following statements is not
Q29: The generic two-level data warehouse architecture includes
Q30: A goal of data mining includes which
Q31: Data mining is used to aid in
A)Operational
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