Select data from sap tables RS4
Display SAP table details
RS40FIELDS - Upgrade: Extended Fields in Release 4.0
RS40_DDXTT - This structure must always look like DDXTT
RS40_DTELT - Transfer Structure for FM SUBST_GET_DELIVERED_DTELS
RS40_TADIR - 4.0 TADIR Structure for 4.0 Upgrade
Return Table index