SAP ABAP Data Element CLASSFRDS (Object class for foreign keys)
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 CLASSFRDS
Short Description Object class for foreign keys  
Data Type
Category of Dictionary Type D   Domain
Type of Object Referenced     No Information
Domain / Name of Reference Type DYNPCHOICE    
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 ForeignKey 
Medium 18 Foreign keys 
Long 18 Foreign keys 
Heading 10 ForeignKey 
Documentation

Definition

A foreign key establishes a connection between two tables, with table T1 referring to the primary key of table T2. In T1 foreign key fields are created, to which the primary key fields of T2 are assigned.

The table to be checked (T1) is termed the foreign key table, whilst table T2 is termed the check table.

History
Last changed by/on SAP  19950209 
SAP Release Created in