Transcription of Kimball Dimensional Modeling Techniques
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Kimball Dimensional Modeling Techniques
Kimball Dimensional Modeling Techniques Table of Contents Fundamental Concepts .. 1 Gather Business requirements and Data Realities .. 1 Collaborative Dimensional Modeling Workshops .. 1 Four-Step Dimensional Design Process .. 1 Business Processes .. 1 Grain .. 2 Dimensions for Descriptive Context .. 2 Facts for Measurements .. 2 Star Schemas and OLAP cubes .. 2 Grace Extensions to Dimensional Modeling .. 3 Basic Fact Table Techniques .. 4 Fact Table Structure .. 4 Additive, Semi-Additive, and Non-Additive Facts .. 4 Nulls in Fact Tables .. 4 Conformed Facts .. 4 Transaction Fact Tables .. 4 Periodic Snapshot Fact Tables .. 5 Accumulating Snapshot Fact Tables .. 5 Factless Fact Tables .. 5 Aggregate Fact Tables or Cubes .. 5 Consolidated Fact Tables .. 6 Basic DimensionTable Techniques .. 7 DimensionTable Structure .. 7 Dimension Surrogate Keys .. 7 Natural, Durable, and Supernatural Keys.
Table of Contents Fundamental Concepts ..... 1 Gather Business Requirements and Data Realities ..... 1
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