select count(*) into v_count from
    sys.user_tables         where lower(table_name) = ''
    sys.user_indexes        where lower(table_name) = '' and lower(index_name) = '';
    sys.user_constraints
    sys.user_sequences      where lower(sequence_name) = ''

    sys.user_tab_columns    where lower(table_name) = '' and lower(column_name) = ''
    sys.user_ind_columns    where lower(table_name) = '' and lower(index_name) = '' and lower(column_name) = ''

if v_count = 0 then
end;