MDG_DT_S_FOREIGN_KEY SAP (Data Model: Foreign Key) Structure details
Description: Data Model: Foreign Key
Related tables to MDG_DT_S_FOREIGN_KEY
Access table MDG_DT_S_FOREIGN_KEY
Structure field list including key, data, relationships and ABAP select examples
MDG_DT_S_FOREIGN_KEY 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 "Data Model: Foreign Key" 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_MDG_DT_S_FOREIGN_KEY TYPE MDG_DT_S_FOREIGN_KEY.
The MDG_DT_S_FOREIGN_KEY table consists of various fields, each holding specific information or linking keys about Data Model: Foreign Key data available in SAP. These include FR_ENTITY (From-Entity Type), RELATION (Relationship Between Entity Types), FIELD_FROM ('From' Field in Foreign Key Relationship (Check Table Field)), FIELD_TO ('To' Field in Foreign Key Relationship (Foreign Key Field)).. 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: Cannot Be Enhanced
SAP MDG_DT_S_FOREIGN_KEY 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 |
| USMD_MODEL | Data Model | USMD_MODEL | CHAR | 2 | Assigned to domain | USMD_MODEL | |||
| FR_ENTITY | From-Entity Type | USMD_FR_ENTITY | CHAR | 9 | Assigned to domain | USMD_ENTITY | |||
| RELATION | Relationship Between Entity Types | USMD_RELATION | CHAR | 9 | Assigned to domain | USMD_RELATION | |||
| FIELD_FROM | 'From' Field in Foreign Key Relationship (Check Table Field) | USMD_FIELD_FROM | CHAR | 30 | Assigned to domain | FDNAME | |||
| FIELD_TO | 'To' Field in Foreign Key Relationship (Foreign Key Field) | USMD_FIELD_TO | CHAR | 30 | Assigned to domain | FDNAME | |||
| ACTION | Action on the Data Model | MDG_DT_ACTION | CHAR | 1 | MDG_DT_ACTION |
| Key field | Non-key field |
How do I retrieve data from SAP structure MDG_DT_S_FOREIGN_KEY using ABAP code?
As MDG_DT_S_FOREIGN_KEY 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 MDG_DT_S_FOREIGN_KEY as there is no data to select.How to access SAP table MDG_DT_S_FOREIGN_KEY
Within an ECC or HANA version of SAP you can also view further information about MDG_DT_S_FOREIGN_KEY and the data within it using relevant transactions such asSE11 (ABAP Dictionary Maintenance)
SM30 (Maintain Table Data)
SE80 (Object Navigator)
SE16 (Data Browser).
Search for further information about these or an SAP related objects