Select data from sap tables DGTM
Display SAP table details
DGTM2 - DG: Dangerous Goods Master (App. Table)
DGTMD - DG: Dangerous Goods Master
DGTMD_LKEY - DG: Dummy Table for Lock Object on Log. Key for DGTMD
DGTMD_MATNR - DG: Dummy Table for Lock Obj. on MATNR and DGTMD
Return Table index