SAP ABAP Data Element RSHIGHCARD (High Cardinality)
Hierarchy
SAP_BW (Software Component) SAP Business Warehouse
   BW-WHM-MTD (Application Component) Metadata (Repository)
     RSD (Package) BW: Data Basis InfoObjects and Core Services
Basic Data
Data Element RSHIGHCARD
Short Description High Cardinality  
Data Type
Category of Dictionary Type D   Domain
Type of Object Referenced     No Information
Domain / Name of Reference Type XFELD    
Data Type CHAR   Character String 
Length 1    
Decimal Places 0    
Output Length 1    
Value Table      
Further Characteristics
Search Help: Name    
Search Help: Parameters    
Parameter ID   
Default Component name    
Change document    
No Input History    
Basic direction is set to LTR    
No BIDI Filtering    
Field Label
  Length  Field Label  
Short 10 High Card. 
Medium 15 High Card. 
Long 20 High Cardinality 
Heading 10 High Card. 
Documentation

Definition

High Cardinality means that this dimension contains a high number of attributes. This information is used to execute physical optimizations, depending on the database platform. For example, different index types from those in a standard case are used. Generally, a dimension has a high cardinality if the number of dimension entries is 20% (or more) of the number of fact table entries. When in doubt, do not set a dimension with high cardinality.

History
Last changed by/on SAP  20130604 
SAP Release Created in 30A