SAP MDOBLREL Model Data: Relationship Types Table data and field list

MDOBLREL is a standard SAP Table which is used to store Model Data: Relationship Types data in SAP systems, such as SAP R/3, S/4HANA, depending on the version and release level.

The MDOBLREL table consists of various fields, each holding specific information or linking keys about Model Data: Relationship Types data available in SAP. These include ROLEA (Role That an Object Takes in the Relationship), ROLEB (Role That an Object Takes in the Relationship), CARDA (Role Cardinality), CARDB (Role Cardinality)... 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. .

MDOBLREL table Technical Details:

Delivery Class: E - Control table, SAP and customer have separate key areas
Display/Maintenance via tcode SM30: Display/Maintenance Allowed but with Restrictions
SAP enhancement categories: Not classified

Text table = MTOBLREL


SAP MDOBLREL table fields - Full list of fields found in SAP data dictionary

Looking for S/4HANA specific information? Click here to explore the details, fields and extensibility available for this table in the SAP S/4HANA version of the MDOBLREL table. Also check whether the table still exists or has been transformed into a CDS view as part of the HANA simplifications.
Field Description Data Element Data Type length (Dec) Check table Conversion Routine Domain Name MemoryID SHLP
RELTYPERelationship type OBLRELTYPECHAR10OBLRELTYPEMHOBLREL
ROLEARole That an Object Takes in the Relationship OBLROLTYPECHAR10MDOBLROLOBLROLTYPE
ROLEBRole That an Object Takes in the Relationship OBLROLTYPECHAR10MDOBLROLOBLROLTYPE
CARDARole Cardinality OBLROLCARDCHAR1OBLROCARD
CARDBRole Cardinality OBLROLCARDCHAR1OBLROCARD
DBTABLETable Name TABNAMECHAR30DD02LAS4TABDTB
OWNERUser Name in User Master Record XUBNAMECHAR12USR02XUBNAMEXUS
CREATDATEDate DATE_DATS8DATS
MODIFIEDBYUser Name in User Master Record XUBNAMECHAR12USR02XUBNAMEXUS
MODIFDATEDate DATE_DATS8DATS
HASPROPSpecifies Whether a Relationship Type Has an Attribute OBLHASPROPCHAR1OBLFLAG
RELTYPE_ORelationship type BINRELTYPCHAR4ORBRELTYPBINRELTYP

Key field Non-key field



How do I retrieve data from SAP table MDOBLREL using ABAP code

The following ABAP code Example will allow you to do a basic selection on MDOBLREL to SELECT all data from the table
DATA: WA_MDOBLREL TYPE MDOBLREL.

SELECT SINGLE *
FROM MDOBLREL
INTO CORRESPONDING FIELDS OF WA_MDOBLREL
WHERE...

How to access SAP table MDOBLREL

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

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