Slowly Changing Dimensions ( SCD Type I/II/III )

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Slowly Changing Dimensions (SCD’s)

SCD is a dimension which captures the changes that occur over a period of time.

  • Type I – Contains only current data. Change in source is overwritten
  • Type II-Maintains complete history + Current data
  • Type III-Partial (recent) history + Current data
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  • Active record is where end date is null
  • History
  • Active status(Active record – Max Version)
  • Change No (Version)
  • Duration (Time stamp)
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Last updated: 29 September 2023
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Although from a small-town, Himanshika dreams big to accomplish varying goals. Working in the content writing industry for more than 5 years now, she has acquired enough experience while catering to several niches and domains. Currently working on her technical writing skills with Mindmajix, Himanshika is looking forward to explore the diversity of the IT industry. You can reach out to her on LinkedIn


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