BAPIFRML_CHAR_CAT_ALLOCX 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 "Change BAPI Str. Specification - Val. Asgt Type - Assignment" 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_BAPIFRML_CHAR_CAT_ALLOCX TYPE BAPIFRML_CHAR_CAT_ALLOCX.
The BAPIFRML_CHAR_CAT_ALLOCX table consists of various fields, each holding specific information or linking keys about Change BAPI Str. Specification - Val. Asgt Type - Assignment data available in SAP. These include PRIMARYKEY (Updated information in related user data field), FLGPRIMKEY (Updated information in related user data field), FOREIGNKEY (Updated information in related user data field), FLGFRGKEY (Updated information in related user data field)... 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. .