BAPI2001_COMP_R3 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 "PS@BBP: Component (Master Data)" 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_BAPI2001_COMP_R3 TYPE BAPI2001_COMP_R3.
The BAPI2001_COMP_R3 table consists of various fields, each holding specific information or linking keys about PS@BBP: Component (Master Data) data available in SAP. These include RES_ITEM (Item Number of Reservation/Dependent Requirement), ITM_NUMBER (BOM item number), MATERIAL (Material Number), REQ_QUAN (Requirement Quantity)... 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. .