Normalizing fact tables improves data access performance and saves data storage space.
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Q1: Decision support datais a snapshot of the
Q2: Data warehouse data are organized and summarized
Q3: By default, the fact table's primary key
Q5: The data warehouse development life cycle differs
Q6: Advanced OLAP feature become more useful when
Q7: The ROLLUP extension is used with the
Q8: Operational data and decision support data serve
Q9: A data warehouse designer must define common
Q10: Multidimensional data analysis techniques include advanced computational
Q11: Business intelligence is a framework that allows
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