ESH_S_OM_SYSGRP_EXT 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 "Structure for ESH_OM_SYSGRP in External Representation" 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_ESH_S_OM_SYSGRP_EXT TYPE ESH_S_OM_SYSGRP_EXT.
The ESH_S_OM_SYSGRP_EXT table consists of various fields, each holding specific information or linking keys about Structure for ESH_OM_SYSGRP in External Representation data available in SAP. These include SYSTEM_GROUP (System Group), SYSREL_GUID (Software Component GUID), SYSREL (Software Component), STANDARD_SYSGRP (Flag: SAP Standard System Group)... 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. .