GRACUSERCUSTGRP is a standard SAP Table which is used to store Realtion b/w user-id and customer grp data in SAP systems, such as SAP R/3, S/4HANA, depending on the version and release level.
The GRACUSERCUSTGRP table consists of various fields, each holding specific information or linking keys about Realtion b/w user-id and customer grp data available in SAP. These include CUSTOMGROUP (Custom Group), USERID (User ID)... 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. .