TP45 is a standard SAP Table which is used to store Role Sets data in SAP systems, such as SAP R/3, S/4HANA, depending on the version and release level.
The TP45 table consists of various fields, each holding specific information or linking keys about Role Sets data available in SAP. These include APPL (Application), RLTYP_SET (Role Set for Application)... 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. .