Select data from sap tables ETPE
Display SAP table details
ETPERF_CMDS - PERF Restriction to Commands
ETPERF_INFO - PERF Information
ETPERF_RESCON - RESCON in PERF-Block
ETPERF_STRUC - PERF Command Interface
ETPERF_TSYS - PERF Restriction to Target Systems
Return Table index