COMT_KBKEY_MD 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 "Identification Key for Knowledge Base" 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_KBKEY_MD TYPE COMT_KBKEY_MD.
The COMT_KBKEY_MD table consists of various fields, each holding specific information or linking keys about Identification Key for Knowledge Base data available in SAP. These include VERSION (Knowledge base version), PROFILE (Knowledge-Base Profile)... 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. .