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Question

Why is data quality often an issue in ETL functions?

a.

Source systems use consistent data formats.

b.

Source systems maintain high data quality standards.

c.

Source systems evolve over time, leading to dubious data quality.

d.

Data quality issues are resolved during data extraction.

Answer: (c).Source systems evolve over time, leading to dubious data quality. Explanation:Data quality issues often arise because source systems evolve over time, leading to dubious data quality.

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Q. Why is data quality often an issue in ETL functions?

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