Which statement is correct? a. Roll-up (or drill-up) refers to aggregating the current set of fact values
Question:
Which statement is correct?
a. Roll-up (or drill-up) refers to aggregating the current set of fact values within or across one or more dimensions.
b. Roll-down (or drill-down) de-aggregates the data by navigating from a lower level of detail to a higher level of detail.
c. Slicing represents the operation whereby one of the dimensions is set at a particular value.
d. Dicing corresponds to a range selection on one or more dimensions.
e. All of the above are correct.
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e All of the above are correct Explanation Option a is correct Rollup or drillup in...View the full answer
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Related Book For 
Principles Of Database Management The Practical Guide To Storing Managing And Analyzing Big And Small Data
ISBN: 9781107186125
1st Edition
Authors: Wilfried Lemahieu, Seppe Vanden Broucke, Bart Baesens
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