Question

What does data warehousing essentially involve?

a.

Extracting data from sources, preparing and storing it, and delivering useful information to end-users

b.

Storing data from sources without any transformation

c.

Extracting data from sources and delivering it directly to end-users

d.

Preparing and storing data without any delivery to end-users

Posted under Data Warehousing and OLAP

Answer: (a).Extracting data from sources, preparing and storing it, and delivering useful information to end-users Explanation:Data warehousing involves extracting data from sources, preparing it for storage, and delivering useful information to end-users.

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