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Question

Why do ETL (Data Extraction, Transformation, and Loading) activities require special consideration in data warehousing?

a.

They are the least time-consuming activities.

b.

They are unrelated to data architecture.

c.

They are the most time-consuming and human-intensive activities.

d.

They are automated and don't require attention.

Answer: (c).They are the most time-consuming and human-intensive activities. Explanation:ETL activities are the most time-consuming and human-intensive activities in data warehousing, requiring special consideration.

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Q. Why do ETL (Data Extraction, Transformation, and Loading) activities require special consideration in data warehousing?

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