TCB20 is a standard SAP Table which is used to store Manufacturing Data Access: Services data in SAP systems, such as SAP R/3, S/4HANA, depending on the version and release level.
The TCB20 table consists of various fields, each holding specific information or linking keys about Manufacturing Data Access: Services data available in SAP. These include SERVICE (Manufacturing Data Access: Service ID)... 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. .