fetchrow_hashref is known to be the slowest way to fetch rows. I like this example from the DBI docs when there could be alot of rows:
$sth->execute;
my %row;
$sth->bind_columns( \( @row{ @{$sth->{NAME_lc} } } ));
while ($sth->fetch) {
    print "$row{region}: $row{sales}\n";
}

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In reply to Re: Improving on MS-SQL over DBI and DBD::ODBC by runrig
in thread Improving on MS-SQL over DBI and DBD::ODBC by radiantmatrix

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