CKMLCOPA is a standard SAP Table which is used to store Assign Costing Key to Costing Run data in SAP systems, such as SAP R/3, S/4HANA, depending on the version and release level.
The CKMLCOPA table consists of various fields, each holding specific information or linking keys about Assign Costing Key to Costing Run data available in SAP. These include KALAW (Costing Key for Actual Cost Estimate/Material Ledger), KOMOK (Account Modification), APPL (Material Ledger Costing Run Application), RUN_ID (Number of Costing Runs for Material Ledger)... 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. .