COKEY_DATA 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 "COKEY Include Structure for Data Part" 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_COKEY_DATA TYPE COKEY_DATA.
The COKEY_DATA table consists of various fields, each holding specific information or linking keys about COKEY Include Structure for Data Part data available in SAP. These include MATNR (Material Number), HKGRP (Origin Group as Subdivision of Cost Element), PCVER (COPC Area of Responsibility), CBRKE (External Value Added Ranking (CO-OM-ABC))... 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. .