TKUPA is a standard SAP Pooled Table which is used to store Business Partners: Customer Master Groups data in SAP systems, such as SAP R/3, S/4HANA, depending on the version and release level.
The TKUPA table consists of various fields, each holding specific information or linking keys about Business Partners: Customer Master Groups data available in SAP. These include KTOKD (Customer Account Group), PARGR (Partner Determination Procedure), KALKS (Pricing procedure assigned to this customer), TXTGZ (Central text determination procedure)... 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. .