DFKKMKO is a standard SAP Table which is used to store Header data for sample contract accounting document data in SAP systems, such as SAP R/3, S/4HANA, depending on the version and release level.
The DFKKMKO table consists of various fields, each holding specific information or linking keys about Header data for sample contract accounting document data available in SAP. These include OPBEL (Number of Contract Accts Rec. & Payable Doc.), FIKEY (Reconciliation Key for General Ledger), APPLK (Application area), BLART (Document Type)... 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. .