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Question

What does a data extraction and transformation expert need in order to perform tasks in building the data extraction and transformation component of the data warehouse?

a.

Expertise in data extraction tools

b.

Knowledge of source systems and their data structures

c.

Knowledge of data warehousing trends

d.

Familiarity with data transformation techniques

Answer: (b).Knowledge of source systems and their data structures Explanation:To build the data extraction and transformation component, a data expert needs to know source systems and their data structures.

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Q. What does a data extraction and transformation expert need in order to perform tasks in building the data extraction and transformation component of the data warehouse?

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