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Friday, May 30, 2025

Dimension types

                                                      Types of Dimensions

              Note: Attributed Dimensions are below the Standard Dimension.

    Types of Dimensions:  Standard Dimensions, Attributed Dimensions.

   I. Standard Dimensions (SD

           Types of Standard Dimensions  

               1. Sparse (Default) - Low Probability Ex: Root bear  

               2.  Dense- High Probability, Ex: Pepsi       

           * Not Associated with Attribute Dimension.  

 Consolidation Operation.                    

  No- Two pass             

Sparse, Dense           

Required Storage Space

Standard Dimension above Attributed Dimension.

Storage Property- all

Formula

UDA allowed

Shared Members

           II. Attribute Dimensions  

Should be associate to Standard Dimension with Sparse. Not Associated with Dense.

Two pass 

Should be associate to Standard Dimension with Sparse. Not Associated with Dense.

No formula

If assign AD, automatically recovered Consolidation operators: +-,*...

No Shared Members

No Consolidation Property.

Required Storage Space

Associated with Sparse

Storage Property- Dynamic Calc

Attributed Dimensions are below Standard Dimension.

UDA allowed


 

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