DMC_FOREIGN_KEY_INFO SAP (DMC: Foreign Key Relations and Related Technical Information) Structure details
Description: DMC: Foreign Key Relations and Related Technical Information
Related tables to DMC_FOREIGN_KEY_INFO
Access table DMC_FOREIGN_KEY_INFO
Structure field list including key, data, relationships and ABAP select examples
DMC_FOREIGN_KEY_INFO 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 "DMC: Foreign Key Relations and Related Technical Information" 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_DMC_FOREIGN_KEY_INFO TYPE DMC_FOREIGN_KEY_INFO.
The DMC_FOREIGN_KEY_INFO table consists of various fields, each holding specific information or linking keys about DMC: Foreign Key Relations and Related Technical Information data available in SAP. These include ACT_FIELD (Field Name), ACT_DATATYPE (DMC: Field Type), ACT_INTTYPE (ABAP data type (C,D,N,...)), ACT_INTLEN (DMC: Field Lengths (of Types)).. 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 DMC_FOREIGN_KEY_INFO 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 |
| ACT_STRUCT | Tree Structure ID | DMC_STIDT | CHAR | 20 | DMC_STIDT | ||||
| ACT_FIELD | Field Name | FIELDNAME | CHAR | 30 | Assigned to domain | FDNAME | DFD | ||
| ACT_DATATYPE | DMC: Field Type | DMC_FLDTYP | CHAR | 32 | DMC_FLDTYP | DMC_DDTYP_SH | |||
| ACT_INTTYPE | ABAP data type (C,D,N,...) | INTTYPE | CHAR | 1 | INTTYPE | ||||
| ACT_INTLEN | DMC: Field Lengths (of Types) | DMC_LEN | NUMC | 6 | |||||
| ACT_DDIC | Name of an ABAP Dictionary object | DDNAME | CHAR | 30 | DDNAME | ||||
| ACT_POS | Position of the field in the table | TABFDPOS | NUMC | 4 | AS4POS | ||||
| ACT_DECS | Number of Decimal Places | DECIMALS | NUMC | 6 | DDLENG | ||||
| IS_CLIENT | Boolean Variable (X=True, -=False, Space=Unknown) | BOOLEAN | CHAR | 1 | BOOLEAN | ||||
| IS_SELPAR | Boolean Variable (X=True, -=False, Space=Unknown) | BOOLEAN | CHAR | 1 | BOOLEAN | ||||
| PARENT_STRUCT | Tree Structure ID | DMC_STIDT | CHAR | 20 | DMC_STIDT | ||||
| PARENT_FIELD | Field Name | FIELDNAME | CHAR | 30 | Assigned to domain | FDNAME | DFD | ||
| FORKEY_GUID | DMC: Globally Unique Key (22 Characters) | DMC_GUID | CHAR | 22 | SYSUUID_22 | ||||
| TYPE | MWB: Type of Foreign Key Relationship | DMC_FORKEY_TYPE | NUMC | 1 | DMC_FORKEY_TYPE | ||||
| VALUE | MWB: Value of the Foreign Key (Literal or Field Reference) | DMC_FORKEY_VALUE | CHAR | 30 | CHAR30 |
| Key field | Non-key field |
How do I retrieve data from SAP structure DMC_FOREIGN_KEY_INFO using ABAP code?
As DMC_FOREIGN_KEY_INFO 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 DMC_FOREIGN_KEY_INFO as there is no data to select.How to access SAP table DMC_FOREIGN_KEY_INFO
Within an ECC or HANA version of SAP you can also view further information about DMC_FOREIGN_KEY_INFO 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