CDIFKY SAP (DDIC interface: Structure for foreign key dependency) Structure details

Dictionary Type: Structure
Description: DDIC interface: Structure for foreign key dependency




ABAP Code to SELECT data from CDIFKY
Related tables to CDIFKY
Access table CDIFKY




Structure field list including key, data, relationships and ABAP select examples

CDIFKY is a standard SAP Structure so does not store data like a database table does. It can be used to define the fields of other actual tables or to process "DDIC interface: Structure for foreign key dependency" Information within sap ABAP programs.

This is done by declaring abap internal tables, work areas or database tables based on this Structure. These can then be used to store and process the required data appropriately.

i.e. DATA: wa_CDIFKY TYPE CDIFKY.

The CDIFKY table consists of various fields, each holding specific information or linking keys about DDIC interface: Structure for foreign key dependency data available in SAP. These include FIENM (Name of the field to be checked), POSIT (Item), FORTB (Table of the foreign key field), DPFIE (Dependent field (compound characteristics)).. See below for full list along with technical details, documentation, text table, check tables, foreign key relationships, conversion routines, relevant tcodes and example ABAP select code etc. .

Delivery Class:
Display/Maintenance via tcode SM30: Display/Maintenance Allowed but with Restrictions
SAP enhancement categories: Not classified


SAP CDIFKY structure fields - Full list of fields found in SAP data dictionary

Field Description Data Element Data Type length (Dec) Check table Conversion Routine Domain Name MemoryID SHLP
TABNMTable Name TABNAMECHAR30Assigned to domainAS4TABDTB
FIENMName of the field to be checked FORFIELDCHAR30Assigned to domainFDNAME
POSITItem CGSPOSITNUMC4AS4POS
FORTBTable of the foreign key field FORTABLECHAR30Assigned to domainAS4TAB
DPFIEDependent field (compound characteristics) CGSDPFIECHAR30Assigned to domainFDNAME
DOMNMDomain name DOMNAMECHAR30Assigned to domainDOMNAMEDD_DOMA
CHTABCheck table CGSCHTABCHAR30TABNAME
CHFIECheck table field CGSCHFIECHAR30Assigned to domainFDNAME

Key field Non-key field



How do I retrieve data from SAP structure CDIFKY using ABAP code?

As CDIFKY is a database structure and not a table it does not store any data in the SAP data dictionary. The ABAP SELECT statement is therefore not appropriate and can not be performed on CDIFKY as there is no data to select.

How to access SAP table CDIFKY

Within an ECC or HANA version of SAP you can also view further information about CDIFKY and the data within it using relevant transactions such as

SE11 (ABAP Dictionary Maintenance)
SM30 (Maintain Table Data)
SE80 (Object Navigator)
SE16 (Data Browser).


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