SAP table DD08D (Screen Fields for Foreign Keys)

Field Description Data Type Length Decimals Checktable Data Element
TABNAME Table Name CHAR 30 0 * TABNAME
FIELDNAME Name of the field to be checked CHAR 30 0 * FORFIELD
DDTEXT Explanatory Short Text CHAR 60 0 DDTEXT
INHERITED Flag: Foreign key inherited from included table CHAR 1 0 INCLINHER
FRKART Dependency factor for semantic foreign keys CHAR 4 0 FRKART
Not specified
ID Identifying foreign key (obsolete)
KEY Key fields/candidates
OBL Mandatory foreign key (obsolete)
OPT Optional foreign key (obsolete)
REF Non-key fields/candidates
TEXT Foreign key for a text table
CARDLEFT Cardinality of a relationship CHAR 2 0 CARDLEFT
1 Entry in check field must exist
C Entry in check field can exist
CARD Cardinality of a relationship CHAR 2 0 CARD
1 Each record in check table has exactly one dependent record
C Each check table record has maximum of one dependent record
CN Each check table record has any number of dependent records
N Each record in check table has at least one dependent record
ARBGB Application area CHAR 20 0 T100A DDFSARBGB
MSGNR Message number CHAR 3 0 T100 DDFSMSGNR
DYNPCHECK Flag for Required Input Value Check on Dynpro CHAR 1 0 DYNPCHECK
CHECKTABLE Check table name of the foreign key CHAR 30 0 * CHECKTABLE
FORTABLE Table of the foreign key field CHAR 30 0 * FORTABLE
FORKEY Names of Foreign Key Fields CHAR 30 0 * FORKEY
CHECKFIELD Field Name CHAR 30 0 * FIELDNAME
GENERIC Generic entry in partial foreign key CHAR 1 0 GENERIC
CONSTANT Constant value in foreign key CHAR 30 0 FK_CONST
FRKART_NEW Foreign key field type CHAR 4 0 FRKART_NEW
not specified
KEY Key fields/candidates
REF Non-key fields/candidates
TXT Key fields of a text table
N_FRKART Foreign key field type: non-key-fields/candidates CHAR 1 0 N_FRKART
K_FRKART Foreign key field type: key fields/candidates CHAR 1 0 K_FRKART
T_FRKART Foreign key field type: key fields of a text table CHAR 1 0 T_FRKART
D_FRKART Foreign key field type: not specified CHAR 1 0 D_FRKART
INCLFK Flags whether foreign key is inherited and modifiable CHAR 1 0 INCLFK
Foreign key is directly defined
A Foreign key in append/customer include - inherited, n/modif.
X Foreign key in include - is modifiable
FK_ORIGIN CHAR 1 0
FKOR_INFO CHAR 70 0
FK_APPEND Name of an append structure CHAR 30 0 * APPNAME

DD08D foreign key relationships

Table Field Check Table Check Field
0 DD08D ARBGB T100A Message IDs for T100 ARBGB
1 DD08D MSGNR T100 Messages SPRSL
1 DD08D MSGNR T100 Messages ARBGB
1 DD08D MSGNR T100 Messages MSGNR