Select data from sap tables USAG
Display SAP table details
USAGE_METHOD_S - Usage method
USAGE_MTHD - Usage Method
USAGE_RANGE_ERP - Range for KVEWE
USAGR - Activity groups
USAGRLANGU - Roles and Language
USAGR_ALV - Role for ALV
USAGR_SYS - GUM: Assignment of Role/Position to System (Type)
USAG_TCODE - Help structure for SU26: Transactions for role
Return Table index