GRAC_S_USER_PARAMETER 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 "User: Parameter Transfer Structure" 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_GRAC_S_USER_PARAMETER TYPE GRAC_S_USER_PARAMETER.
The GRAC_S_USER_PARAMETER table consists of various fields, each holding specific information or linking keys about User: Parameter Transfer Structure data available in SAP. These include PARVA (Parameter value), PARTXT (Short Description of Repository Objects)... 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. .