COMT_CLEAR_CASE_KEY_EXT 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 "Data Cleansing: Complete Key for a Data Cleansing Case" 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_CLEAR_CASE_KEY_EXT TYPE COMT_CLEAR_CASE_KEY_EXT.
The COMT_CLEAR_CASE_KEY_EXT table consists of various fields, each holding specific information or linking keys about Data Cleansing: Complete Key for a Data Cleansing Case data available in SAP. These include CLEARING_CASE_NUMBER (Number of Data Cleansing Case), OBJECT_GUID (Globally Unique Identifier), APPL_KEY (Object value)... 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. .