SAP ABAP Data Element KEYFLAG (Identifies a key field of a table)
Hierarchy
SAP_BASIS (Software Component) SAP Basis Component
   BC-DWB-DIC-AC (Application Component) Activation Program, Conversion Program, DB Utility, MC, SPDD
     SDIC (Package) ABAP Dictionary
Basic Data
Data Element KEYFLAG
Short Description Identifies a key field of a table  
Data Type
Category of Dictionary Type D   Domain
Type of Object Referenced     No Information
Domain / Name of Reference Type KEYFLAG    
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  
Medium 18 Key field 
Long 18 Key field 
Heading Key 
Documentation

Definition

If you select this indicator the field is flagged as a key field.

The key fields of a table must be located together at the beginning of the table, that is, no non-key fields are allowed between two key fields.

History
Last changed by/on SAP  19970321 
SAP Release Created in