MRELATION SAP (Relationship Between Download Tables) Structure details

Dictionary Type: Structure
Description: Relationship Between Download Tables




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




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
MANDTClient MANDTCLNT3Assigned to domainMANDT
FTABLETable Name of Higher-Level Table MFTABLECHAR30CHAR30
FFIELDField Name from Higher-Level Table MFFIELDCHAR30CHAR30
CTABLETable Name from Sub-Table MCTABLECHAR30CHAR30
CFIELDField Name from Sub-Table MCFIELDCHAR30CHAR30
FOFFSETOffset Key Field from Higher-Level Table CRMFOFFSETNUMC6NUMC06
FLENGTHLength of Key Field from Higher-Level Table CRMFLENGTHNUMC6NUMC06
COFFSETOffset Key Field for Sub-Table CRMCOFFSETNUMC6NUMC06
CLENGTHLength of Key Field from Sub-Table CRMCLENGTHNUMC6NUMC06
FVALUEFixed Value of Key Field from Higher-Level CRMFVALUENUMC6NUMC06

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 as

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


Search for further information about these or an SAP related objects



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