stichgotrich89861 stichgotrich89861
  • 25-07-2019
  • Computers and Technology
contestada

Give at least 5 indicators which help to identify systems andtables as potential de-normalizationcandidates.

Respuesta :

aristeus aristeus
  • 02-08-2019

Answer and Explanation:

The five indicators are

  • There is existence of repeating groups which needs to be processed in a single group not individually
  • many reports exist which need to be processed online
  • tables need to processed in different way by different users at the same time
  • certain columns need very large time for the de normalization take 60% as the alarming number
  • many calculations needs to be applied to columns  before queries can be answered

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