BUS_EI_STRUC_CARDMASTER_DATA 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 "Ext. Interface: Structure CARDMASTER_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_BUS_EI_STRUC_CARDMASTER_DATA TYPE BUS_EI_STRUC_CARDMASTER_DATA.
The BUS_EI_STRUC_CARDMASTER_DATA table consists of various fields, each holding specific information or linking keys about Ext. Interface: Structure CARDMASTER_DATA data available in SAP. These include VALID_TO (Payment cards: Valid from), VALID_FROM (Payment Cards: Valid To), CARD_TYPE (Payment card type), CARD_NUMBER (Payment cards: Card number)... 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. .