BAPI1194_GR_PRO 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 "BAPI - Process Data 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_BAPI1194_GR_PRO TYPE BAPI1194_GR_PRO.
The BAPI1194_GR_PRO table consists of various fields, each holding specific information or linking keys about BAPI - Process Data Structure data available in SAP. These include NODE_ID (CHAR32 GUID for iPPE Node with Conversion), CHANGE_NO (Change Number), GUID_MAST (CHAR32 GUID for iPPE Node with Conversion), GUID_ROOT (CHAR32 GUID for iPPE Node with Conversion)... 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. .