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Question

What is the primary distinction between the initial data loading and ongoing data loading into a data warehouse?

a.

Initial loading is fast, and ongoing loading is slow

b.

Initial loading moves large volumes of data, while ongoing loading involves incremental data revisions

c.

Initial loading only happens once, while ongoing loading is continuous

d.

Initial loading focuses on data cleansing, while ongoing loading involves data transformation

Answer: (b).Initial loading moves large volumes of data, while ongoing loading involves incremental data revisions Explanation:The initial loading involves moving large volumes of data, while ongoing loading deals with incremental data revisions from source systems.

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Q. What is the primary distinction between the initial data loading and ongoing data loading into a data warehouse?

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