COPA_YS_PAOBJNR 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 "CO-PA: Segment Number With AKTBO" 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_COPA_YS_PAOBJNR TYPE COPA_YS_PAOBJNR.
The COPA_YS_PAOBJNR table consists of various fields, each holding specific information or linking keys about CO-PA: Segment Number With AKTBO data available in SAP. These include PAOBJNR (Profitability Segment Number (CO-PA)), PASUBNR (Profitability segment changes (CO-PA))... 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. .