Q:

Data transformation includes which of the following?

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Data transformation includes which of the following?


  1. A process to change data from a detailed level to a summary level
  2. A process to change data from a summary level to a detailed level
  3. Joining data from one source into various sources of data
  4. Separating data from one source into various sources of data

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 (a).A process to change data from a detailed level to a summary level

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