Kimball GroupAugust 2008 - Kimball Group
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Monthly Archives: August 2008

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Slowly Changing Dimensions

  • Ralph Kimball
  • August 21, 2008

The notion of time pervades every corner of the data warehouse. Most of the fundamental measurements we store in our fact tables are time series, which we carefully annotate with time stamps and foreign keys connecting to calendar date dimensions. But the effects of time are not isolated just to these activity-based time stamps. All […]

Categories

  • Before Diving In
  • Project/Program Planning
  • Requirements Definition
  • Data Architecture
  • Dimensional Modeling Fundamentals
  • Dimensional Modeling Tasks
  • Fact Table Core Concepts
  • Dimension Table Core Concepts
  • Advanced Dimension Patterns & Case Studies
  • ETL and Data Quality
  • Technical Architecture
  • Business Intelligence Applications

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