FSBP_PXE_MODIFIED_REL_DATA 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 "Relationship with Change Information (After)" 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_FSBP_PXE_MODIFIED_REL_DATA TYPE FSBP_PXE_MODIFIED_REL_DATA.
The FSBP_PXE_MODIFIED_REL_DATA table consists of various fields, each holding specific information or linking keys about Relationship with Change Information (After) data available in SAP. These include ID (Business Partner Number), GUID (Business Partner GUID), REL_TYPE (Business Partner Relationship Category), REL_DIRECTION (Obsolete)... 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. .