WRF_POTB_DATA_KEY_STY 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 "Structure OTB Bucket" 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_WRF_POTB_DATA_KEY_STY TYPE WRF_POTB_DATA_KEY_STY.
The WRF_POTB_DATA_KEY_STY table consists of various fields, each holding specific information or linking keys about Structure OTB Bucket data available in SAP. These include BUDG_TYPE (Budget Type)... 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. .