VTB_STA3_COPY 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 "Structure for Copying Business Partner Authorizations" 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_VTB_STA3_COPY TYPE VTB_STA3_COPY.
The VTB_STA3_COPY table consists of various fields, each holding specific information or linking keys about Structure for Copying Business Partner Authorizations data available in SAP. These include PARTNR_FROM (Partner from whom the data is to be copied), BUKRS_TO (Company Code to Which the Data Is to Be Copied), PARTNR_TO (Partner to Whom the Data Is to Be Copied)... 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. .