BPOBTAB is a standard SAP Table which is used to store Partner-Object Relationship data in SAP systems, such as SAP R/3, S/4HANA, depending on the version and release level.
The BPOBTAB table consists of various fields, each holding specific information or linking keys about Partner-Object Relationship data available in SAP. These include ASSI_TYP (Assignment Category), ASSI_NR (Allocation Number), PARTNER (Business Partner Number), RLTYP (BP Role)... 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. .