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VarshaTyagi_1
Partner - Contributor III
Partner - Contributor III

QlikSense : Data Modelling

Hi Team,

I have 4 tables which all have same common key. The model looks like the attached image. I wonder if the results will be correct in this particular approach or do I need to make any changes in the model. Please let me know your thoughts.

 

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1 Reply
marcus_sommer

It depends on the the data and the requirements of the views if this data-model is suitable or not. Difficulties could occur by:

  • if a case-id isn't unique in regard to further data, for example if a case-id is overlapping to multiple products, countries, periods or similar fields
  • if there are missing key-values across the tables
  • how to connect common dimension-tables without creating synthetic keys and/or circular references

Officially recommended is to develop a data-model as a star-scheme as best compromise of simplicity and performance.