UPC_STEPS is a standard SAP Table which is used to store Relations between Characteristics of a Planning Area data in SAP systems, such as SAP R/3, S/4HANA, depending on the version and release level.
The UPC_STEPS table consists of various fields, each holding specific information or linking keys about Relations between Characteristics of a Planning Area data available in SAP. These include AREA (Planning Area), STEP (Number of the Characteristic Relationship), MTYPE (Type of Characteristic Relationship), DERIVE (Derivation: X = Yes)... 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. .