CUST02 is a standard SAP Table which is used to store Table for Determining the Characteristics of the ID Group data in SAP systems, such as SAP R/3, S/4HANA, depending on the version and release level.
The CUST02 table consists of various fields, each holding specific information or linking keys about Table for Determining the Characteristics of the ID Group data available in SAP. These include ID_GROUP (Grouping of ID types), KZ_REPLACE (Indicator: Replacement group), KZ_UNIQUE (ID: unique), KZ_MUS (ID: Variable ID must be maintained)... 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. .