BAPI1075_4 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 "Reference Document Number" 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_BAPI1075_4 TYPE BAPI1075_4.
The BAPI1075_4 table consists of various fields, each holding specific information or linking keys about Reference Document Number data available in SAP. These include DELIVERY_NOTE_LONG (Number of Extern. Delivery Note (Dependencies see Long Text))... 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. .