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Discussion

We have been given access to the company's operational data, and have been asked to produce a report. We discover that some of the data we need are in an SQL server database while other needed data are in a separate Oracle database. This is an example of ________ .

  • A.dirty data
  • B.inconsistent data
  • C.non-integrated data
  • D.a "wrong format" problem

Answer: C

Correct answer: non-integrated data

Non-integrated data is data that must be brought together from separate sources before it can be used - here two different DBMS products holding different parts of what one report needs. It is a structural problem, distinct from dirty data, which is wrong; inconsistent data, which disagrees between sources; and format problems, which concern how a value is written.

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