UPC_TRACE_LOG is a standard SAP Table which is used to store Trace Log data in SAP systems, such as SAP R/3, S/4HANA, depending on the version and release level.
The UPC_TRACE_LOG table consists of various fields, each holding specific information or linking keys about Trace Log data available in SAP. These include GUID (BW Generation tool: GUID in compressed form (CHAR25)), UNAME (User Name), DATUM (Date), UZEIT (Time)... 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. .