Question

What needs to be done with the source data before it can be stored in a data warehouse?

a.

It should be left as is to preserve originality.

b.

It must be transformed, consolidated, and integrated.

c.

It should be converted into a different file format.

d.

It needs to be standardized and made consistent.

Posted under Data Warehousing and OLAP

Answer: (b).It must be transformed, consolidated, and integrated. Explanation:Source data must undergo a process of transformation, consolidation, and integration before being stored in a data warehouse.

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Q. What needs to be done with the source data before it can be stored in a data warehouse?

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