COMT_CHANGED_PR_SET_REL_PR 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 "Changed Assignments Without Organizational Level" 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_CHANGED_PR_SET_REL_PR TYPE COMT_CHANGED_PR_SET_REL_PR.
The COMT_CHANGED_PR_SET_REL_PR table consists of various fields, each holding specific information or linking keys about Changed Assignments Without Organizational Level data available in SAP. These include FRAGMENT_GUID (Set GUID), ORDER_GUID (GUID for Engineering Change Order)... 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. .