Question

What is the primary advantage of using aggregate fact tables in data warehousing?

a.

Reduced storage space requirements

b.

Simplified schema structure

c.

Improved data loading performance

d.

Dramatic improvement in query performance

Posted under Data Warehousing and OLAP

Answer: (d).Dramatic improvement in query performance Explanation:The primary advantage of using aggregate fact tables is the dramatic improvement in query performance, as they reduce the number of rows to be retrieved and summarized.

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Q. What is the primary advantage of using aggregate fact tables in data warehousing?

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