BUKF_FG is a standard SAP Table which is used to store Key Figures - Field group data in SAP systems, such as SAP R/3, S/4HANA, depending on the version and release level.
The BUKF_FG table consists of various fields, each holding specific information or linking keys about Key Figures - Field group data available in SAP. These include DATASOURCE (Key Figures - Data source), FIELDGROUP (Key Figures - Field group)... 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. .