SIMAFLDSDUMMY 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 "IO: Work and Screen Fields: Dummy Fields for Hiding" 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_SIMAFLDSDUMMY TYPE SIMAFLDSDUMMY.
The SIMAFLDSDUMMY table consists of various fields, each holding specific information or linking keys about IO: Work and Screen Fields: Dummy Fields for Hiding data available in SAP. These include TEXT_PROZFROM (Text for Screen: Percent (from)), TEXT_PROZTO (Text on Screen: Percent (to)), TEXT_PKEYVALID (Text for Screen: Payment Plan Key Valid from), TEXT_GLKONT (Text for Screen: Addtl Acct Assignment for Insurance (G/L))... 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. .