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Question

Why is it important to extract only the needed data from source systems for data warehousing?

a.

To avoid overloading the data warehouse

b.

To prevent data loss from source systems

c.

To ensure data security

d.

To minimize data transformation efforts

Answer: (a).To avoid overloading the data warehouse Explanation:Extracting only needed data helps avoid overloading the data warehouse with unnecessary information.

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Q. Why is it important to extract only the needed data from source systems for data warehousing?

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