PCA_MASTER_FLDS 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 "Screen Fields Card Master" 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_PCA_MASTER_FLDS TYPE PCA_MASTER_FLDS.
The PCA_MASTER_FLDS table consists of various fields, each holding specific information or linking keys about Screen Fields Card Master data available in SAP. These include CARD_TYPE (Payment card type), MASK_NUMBER (Masked Payment Card Number), CCTYP (Payment cards: Card category), VALID_FROM (Payment Card Master: Valid From)... 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. .