ESH_S_OM_RELATF_DATA is a standard SAP Structure so does not store data like a database table does. It can be used to define the fields of other actual tables or to process "Data Fields for RELATF" Information within sap ABAP programs. This is done by declaring abap internal tables, work areas or database tables based on this Structure. These can then be used to store and process the required data appropriately. i.e. DATA: wa_ESH_S_OM_RELATF_DATA TYPE ESH_S_OM_RELATF_DATA.
The ESH_S_OM_RELATF_DATA table consists of various fields, each holding specific information or linking keys about Data Fields for RELATF data available in SAP. These include SOURCE_FLD_MUID (Model GUID), SOURCE_FLD_GUID (Source Field GUID), TARGET_FLD_MUID (Model GUID), TARGET_FLD_GUID (Target Field GUID)... 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. .