use DBI;

        # (Init w. AutoCommit=>1 occurs here)

        # Prepare the SELECT statement...
        my ($s)    = $db->prepare ("SELECT * FROM table");

        # ...and run it.
        my ($s_rv) = $s->execute();

        # Wait patiently, run out of RAM...

        # Presumably, should be able to fetch data and use it here:
        while (my @row = $s->fetchrow_array()) { ... }