BAPI_MATVAL_DEBI_CREDI_DATE 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 "Posting Date of Material Debit/Credit" 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_BAPI_MATVAL_DEBI_CREDI_DATE TYPE BAPI_MATVAL_DEBI_CREDI_DATE.
The BAPI_MATVAL_DEBI_CREDI_DATE table consists of various fields, each holding specific information or linking keys about Posting Date of Material Debit/Credit data available in SAP. These include FISC_PERIOD (Posting period), PSTNG_DATE (Posting Date in the Document)... 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. .