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Question

What are the two broad categories of data in operational systems that impact data extraction for a data warehouse?

a.

Static and dynamic data

b.

Current value and periodic status

c.

Transient and historical data

d.

Immediate and deferred data

Answer: (b).Current value and periodic status Explanation:The two categories are "current value" and "periodic status."

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Q. What are the two broad categories of data in operational systems that impact data extraction for a data warehouse?

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