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Thanks all for the helpful replies. :-)I've adjusted my code to:

my $sql = qq[ UPDATE `myTable` SET `va` = ?, `vb` = ? WHERE `vc` = ? ]; while (my $record = <$input>) { chomp $record; my ($val1, $val2, $val3) = (split(/\|/,$record))[1,3,5]; $db->query($sql, $val1, $val2, $val3); }

My question is: can we get the same 'prepare' effects as moritz mentioned in his post, since 'prepare' is done before the while loop..:)

BTW. thank you for your module, I've used it in most of my applications.

Best,
lihao


In reply to Re^2: DBI: How to update 150K records efficiently by lihao
in thread DBI: How to update 150K records efficiently by lihao

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