Chris Adamson’s Blog
Information for BI & Analytics Professionals
Tuesday, January 8, 2008
Have it Both Ways With Hybrid Slow Changes
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This is the third in a series on Slowly Changing Dimensions. It looks at an often misunderstood approach: the hybrid SCD. When the source d...
Thursday, November 15, 2007
How To Document a Type 3 SCD: A pair of Type 1 Responses
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Many dimensionally-aware database modeling tools allow you to document the Slow Change characteristics of each dimension attribute. But oft...
Tuesday, October 9, 2007
For Slowly Changing Dimensions, "Change" is Relative
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There's a difference between the way we think about Slowly Changing Dimensions and the way we document them. In this post, I'll hig...
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