COMT_PRTKEY 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 "Keys of Part_Of Entries in a Configuration" 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_COMT_PRTKEY TYPE COMT_PRTKEY.
The COMT_PRTKEY table consists of various fields, each holding specific information or linking keys about Keys of Part_Of Entries in a Configuration data available in SAP. These include PARENT_ID (Instance Number in Configuration), INST_ID (Instance Number in Configuration)... 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. .
