COML_PRPRDCATR 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 Structure: Product Category Table Control" 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_COML_PRPRDCATR TYPE COML_PRPRDCATR.
The COML_PRPRDCATR table consists of various fields, each holding specific information or linking keys about Screen Structure: Product Category Table Control data available in SAP. These include CATEGORY_ID (Category ID)... 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. .