Select data from sap tables DDTA
Display SAP table details
DDTABFDS - DD: Structure/table name - field name with lengths
DDTABLE - Structure for Table Information
DDTABNAME - Only table name
DDTABSCHEMA - DD: Schema of a Table
DDTABTVAL - DD: Control string for TABT values checks
DDTARGET_DB_INFO - DD: Infos Target DB DBSYS if DBSYS <> SYST-DBSYS
Return Table index