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Data Warehousing - Technical MCQs

Q1:

Data transformation includes which of the following?

A A process to change data from a detailed level to a summary level

B A process to change data from a summary level to a detailed level

C Joining data from one source into various sources of data

D Separating data from one source into various sources of data

ANS:A - A process to change data from a detailed level to a summary level

No answer description is available.