Select data from sap tables OIL_P
Display SAP table details
OIL_PO_ITEM_FIELDS - Struture having PO Oil fields
OIL_PO_ITEM_FIELDS_BAPI_X - Change Stucture for OIL_PO_ITEM_FIELDS
OIL_PO_ITEM_FIELDS_ESOA - Struture having PO Oil fields
OIL_PO_ITEM_FIELDS_X - Change Stucture for OIL_PO_ITEM_FIELDS
Return Table index