COMC_EXT_SOURCET is a standard SAP Table which is used to store Text Table for External Data Sources data in SAP systems, such as SAP R/3, S/4HANA, depending on the version and release level.
The COMC_EXT_SOURCET table consists of various fields, each holding specific information or linking keys about Text Table for External Data Sources data available in SAP. These include EXTERNAL_SOURCE (Key for External Data Source), SPRAS (Language Key), SOURCE_DESCR (Description for External Data Source)... 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. .