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Question

Which of the following queries would likely run the fastest in a data warehouse without using aggregate fact tables?

a.

Query 1: Total sales for a single customer for one day

b.

Query 2: Total sales for a single customer for one month

c.

Query 3: Total sales for all customers in a specific territory for one year

d.

Query 4: Total sales for a single product category for one quarter

Answer: (a).Query 1: Total sales for a single customer for one day Explanation:Query 1, which involves a single customer and a single day, is likely to run the fastest without using aggregate fact tables.

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Q. Which of the following queries would likely run the fastest in a data warehouse without using aggregate fact tables?

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