COENV_REL is a standard SAP Table which is used to store Assignment of Environments to Sub-Environments data in SAP systems, such as SAP R/3, S/4HANA, depending on the version and release level.
The COENV_REL table consists of various fields, each holding specific information or linking keys about Assignment of Environments to Sub-Environments data available in SAP. These include ENVIRONMNT (Template Main Environment), SUB_ENVMNT (Template Subenvironment)... 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. .