MRELATION SAP (Relationship Between Download Tables) Structure details
Description: Relationship Between Download Tables
Structure field list including key, data, relationships and ABAP select examples
MRELATION 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 "Relationship Between Download Tables" 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_MRELATION TYPE MRELATION.
The MRELATION table consists of various fields, each holding specific information or linking keys about Relationship Between Download Tables data available in SAP. These include FTABLE (Table Name of Higher-Level Table), FFIELD (Field Name from Higher-Level Table), CTABLE (Table Name from Sub-Table), CFIELD (Field Name from Sub-Table).. 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: Can be enhanced (character-type)
SAP MRELATION 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 |
MANDT | Client | MANDT | CLNT | 3 | Assigned to domain | MANDT | |||
FTABLE | Table Name of Higher-Level Table | MFTABLE | CHAR | 30 | CHAR30 | ||||
FFIELD | Field Name from Higher-Level Table | MFFIELD | CHAR | 30 | CHAR30 | ||||
CTABLE | Table Name from Sub-Table | MCTABLE | CHAR | 30 | CHAR30 | ||||
CFIELD | Field Name from Sub-Table | MCFIELD | CHAR | 30 | CHAR30 | ||||
FOFFSET | Offset Key Field from Higher-Level Table | CRMFOFFSET | NUMC | 6 | NUMC06 | ||||
FLENGTH | Length of Key Field from Higher-Level Table | CRMFLENGTH | NUMC | 6 | NUMC06 | ||||
COFFSET | Offset Key Field for Sub-Table | CRMCOFFSET | NUMC | 6 | NUMC06 | ||||
CLENGTH | Length of Key Field from Sub-Table | CRMCLENGTH | NUMC | 6 | NUMC06 | ||||
FVALUE | Fixed Value of Key Field from Higher-Level | CRMFVALUE | NUMC | 6 | NUMC06 |
Key field | Non-key field |
How do I retrieve data from SAP structure MRELATION using ABAP code?
As MRELATION 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 MRELATION as there is no data to select.How to access SAP table MRELATION
Within an ECC or HANA version of SAP you can also view further information about MRELATION 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