BP1012_DATA_TC 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 "Ratings: Fields for Dialog Control" 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_BP1012_DATA_TC TYPE BP1012_DATA_TC.
The BP1012_DATA_TC table consists of various fields, each holding specific information or linking keys about Ratings: Fields for Dialog Control data available in SAP. These include INDEX_NEW (Row Index of Internal Tables), GRADE_METHOD_DESCR (Description of a Rating Procedure), GRADE_DESCR (Description of Rating), DATE_TO_DYNP (Valid to Date)... 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. .