如何自行查找SAP ERP的物料主数据和CRM产品主数据的映射关系

For example, user can maintain description for Material in ERP and Product in CRM:

How to find the database tables and fields where this description is stored in ERP and CRM seperately?
Log on to a CRM system like AG3/001, tcode R3AC1, Position, type “Material”:

Click tab “Mapping Modules:”

Double click this subroutine:

then double click again:

MARC: Plant Data for Material in ERP

MAKT: Material Descriptions table in ERP

I will only use subroutine process_mara_data for example to demonstrate how to find field mapping relationship.
Double click this subroutine:

Clear enough now?

Note that com_product is not database table but just a structure. The structure is used as input to call product API to save the change triggered from ERP into CRM database table. However in this very case, it is fortunate enough since the database table COMM_PRODUCT has exactly the same name of fields:

From line 23, keyword “shtext” and “short_text”, we can know the product descrption is modelled as set type in CRM product.

Please read set type concept from sap help.

result is found:

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