ESH_S_TST_MATERIAL 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 "ES Test Object Material - Main Data" 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_TST_MATERIAL TYPE ESH_S_TST_MATERIAL.
The ESH_S_TST_MATERIAL table consists of various fields, each holding specific information or linking keys about ES Test Object Material - Main Data data available in SAP. These include MATNR_EXT (ES Test Object Material - Material Number)... 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. .