There is a central fact table and 4 dimensions – Time, A, B, and C. The ratio m: n between 2 attributes of the hierarchy represents that for every ‘m’ occurrence of a parent element there will be a maximum of ‘n’ children. As per the current state, this fac5*t table contains3 Years4 A1s5 B1s5 C1sQ1: What is the maximum possible fact data volume in terms of record/row count? Q3: The m:n ratio from attribute B3 to attribute B4 is changed from 1:3 to 1:1 due to some organizational changes. By how many times the maximum possible fact data volume (by record count) decreases?

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Advanced Engineering Mathematics

10th Edition

ISBN:9780470458365

Author:Erwin Kreyszig

Publisher:Erwin Kreyszig

Chapter2: Second-order Linear Odes

Section: Chapter Questions

Problem 1RQ

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There is a central fact table and 4 dimensions – Time, A, B, and C. The ratio m: n between 2 attributes of the hierarchy represents that for every ‘m’ occurrence of a parent element there will be a maximum of ‘n’ children.

As per the current state, this fac5*t table contains

3 Years
4 A1s
5 B1s
5 C1s

Q1: What is the maximum possible fact data volume in terms of record/row count?

Q3: The m:n ratio from attribute B3 to attribute B4 is changed from 1:3 to 1:1 due to some organizational changes. By how many times the maximum possible fact data volume (by record count) decreases?

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