The "?" when used with DBI in a PREPARE statement is a placeholder, letting you do cool things like this: 
my $sth = $dbh-> prepare ("select * from sometable where id=?");
$sth->execute("12345");

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When $sth is executed, any values passed to "execute" replace the question marks in the preprared SQL statement in the order the question marks appear. In this case: "select * from sometable where id="12345" is what gets executed. There's lots of good docs on this in the DBI documentation.

Anyway, that's what your problem is. If you don't want the questions marks to be interpreted incorrectly, use this: 

$command = $dbh->quote($command);

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...which should happily quote out all the bad stuff for you (question marks aren't the only characters that'll screw you up) and keep the NULLS from getting inserted.

Gary Blackburn
Trained Killer

In reply to Re: question mark? by Trimbach
in thread question mark? by Monolith-0

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