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Doctors Medicines MCQs Q&A

  1. Data in which changes to existing records cause the previous version of the records to be eliminated
  2. Data in which changes to existing records do not cause the previous version of the records to be eliminated
  3. Data that are never altered or deleted once they have been added
  4. Data that are never deleted once they have been added
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1 Answers

Answer: Option 1

Let'

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