GRRM_OB_S_UPDATE 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 all updated persistent objects" 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_GRRM_OB_S_UPDATE TYPE GRRM_OB_S_UPDATE.
The GRRM_OB_S_UPDATE table consists of various fields, each holding specific information or linking keys about Structure for all updated persistent objects data available in SAP. These include LO_PERS ()... 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. .