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Question

What makes ETL functions challenging in the context of source systems?

a.

Source systems are uniform and consistent.

b.

Source systems often run on modern, up-to-date technology.

c.

Lack of historical data preservation in source systems.

d.

Source systems consistently represent data in user-friendly formats.

Answer: (c).Lack of historical data preservation in source systems. Explanation:One of the challenges in ETL functions is the lack of historical data preservation in many source operational systems.

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Q. What makes ETL functions challenging in the context of source systems?

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