SDDIC_XVIEW_MOCK_COL_KEY is an SAP Structure so does not store data like a database table does but can be used to process "Key of XView Mock Column Data" 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_SDDIC_XVIEW_MOCK_COL_KEY TYPE SDDIC_XVIEW_MOCK_COL_KEY .
Below is the documentation avaialable and full details of the fields which make up this Structure.
|Data Type||length (Decimals)||Check table||Description||Conversion Routine|
|.INCLUDE||SDDIC_XVIEW_MOCK_KEY||Main XView Mock data|
|Name of SAP table view|
|VERSION||R3STATE||CHAR||1||ABAP: Program Status (Active, Saved, Transported...)|