ACCSYS02 is a standard SAP Table which is used to store Accounting System: Assignment to Selection Condition data in SAP systems, such as SAP R/3, S/4HANA, depending on the version and release level.
The ACCSYS02 table consists of various fields, each holding specific information or linking keys about Accounting System: Assignment to Selection Condition data available in SAP. These include ACC_SYSTEM (Accounting System), SELID (GUID for Identifying the Selection Condition)... 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. .